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<div class="moz-cite-prefix">On Sunday 28 June 2015 01:34 PM,
Geoffrey Letessier wrote:<br>
</div>
<blockquote cite="mid:B2130B56-8997-4475-A078-AA285FC37AB1@cnrs.fr"
type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
Hello,
<div><br>
</div>
<div>@Krutika: Thanks for transferring my issue.</div>
<div><br>
</div>
<div>Everything is becoming completely crazy; other quotas are
exploding. Indeed, after having remove my previous quota in
failure, some other quotas have grown up as you can read below:</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">[root@lucifer
~]# gluster volume quota vol_home list</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">
Path Hard-limit Soft-limit
Used Available</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">--------------------------------------------------------------------------------</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/baaden_team
20.0TB 90% 15.1TB
4.9TB</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/sterpone_team
14.0TB 90% 25.5TB 0Bytes</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/simlab_team
5.0TB 90% 1.3TB
3.7TB</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/sacquin_team
10.0TB 90% 8.3TB
1.7TB</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/admin_team
1.0TB 90% 17.0GB
1007.0GB</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/amyloid_team
7.0TB 90% 6.4TB
577.5GB</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">/amyloid_team/nguyen
4.0TB 90% 3.7TB 312.7GB</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">[root@lucifer
~]# pdsh -w cl-storage[1,3] du -sh
/export/brick_home/brick*/sterpone_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage1:
3,1T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick1/sterpone_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage1:
2,3T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick2/sterpone_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage3:
2,7T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick1/sterpone_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage3:
2,9T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick2/sterpone_team</div>
</div>
<div>=> ~11TB (not 25.5TB!!!)</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">[root@lucifer
~]# pdsh -w cl-storage[1,3] du -sh
/export/brick_home/brick*/baaden_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage1:
4,2T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick1/baaden_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage3:
3,7T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick1/baaden_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage1:
3,6T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick2/baaden_team</div>
<div style="margin: 0px; font-size: 11px; font-family: Menlo;
color: rgb(255, 255, 255); background-color: rgb(0, 0, 0);">cl-storage3:
3,5T<span class="Apple-tab-span" style="white-space:pre"> </span>/export/brick_home/brick2/baaden_team</div>
</div>
<div>=> ~15TB (not 14TB).</div>
<div><br>
</div>
<div>Etc.</div>
<div><br>
</div>
<div>Do you please help me to urgently solve this issue because
this situation is blocking and I must stop the production
until.</div>
<div><br>
</div>
<div>Do you think upgrading storage cluster into 3.7.1 (the
latest) version of GlusterFS could fix the problem?</div>
</div>
</blockquote>
<tt><br>
WE need to manually fix this issue. We need to find what are
directory whose quota size is miscalculated and need to fix the
meta-data in the brick.</tt><tt> We are writing an automated
script for fixing this issue and will provide the script by eod</tt><tt>
IST time</tt><tt><br>
</tt><tt><br>
</tt><tt>Thanks,</tt><tt><br>
</tt><tt>Vijay</tt><br>
<br>
<br>
<blockquote cite="mid:B2130B56-8997-4475-A078-AA285FC37AB1@cnrs.fr"
type="cite">
<div>
<div><br>
</div>
<div>Thanks by advance,</div>
<div>Geoffrey</div>
<div>
<div apple-content-edited="true">
------------------------------------------------------<br>
Geoffrey Letessier<br>
Responsable informatique & ingénieur système<br>
UPR 9080 - CNRS - Laboratoire de Biochimie Théorique<br>
Institut de Biologie Physico-Chimique<br>
13, rue Pierre et Marie Curie - 75005 Paris<br>
Tel: 01 58 41 50 93 - eMail: <a moz-do-not-send="true"
href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a>
</div>
<br>
<div>
<div>Le 27 juin 2015 à 08:13, Krutika Dhananjay <<a
moz-do-not-send="true" href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>>
a écrit :</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">
<div style="font-family: garamond, 'new york', times,
serif; font-size: 12pt;">
<div>Copying Vijai and Raghavendra for help...</div>
<div><br>
</div>
<div>-Krutika</div>
<hr id="zwchr">
<blockquote style="border-left-width: 2px;
border-left-style: solid; border-left-color: rgb(16,
16, 255); margin-left: 5px; padding-left: 5px;
font-weight: normal; font-style: normal;
text-decoration: none; font-family: Helvetica, Arial,
sans-serif; font-size: 12pt;"
data-mce-style="border-left: 2px solid #1010FF;
margin-left: 5px; padding-left: 5px; color: #000;
font-weight: normal; font-style: normal;
text-decoration: none; font-family:
Helvetica,Arial,sans-serif; font-size: 12pt;"><b>From:
</b>"Geoffrey Letessier" <<a moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br>
<b>To: </b>"Krutika Dhananjay" <<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>><br>
<b>Sent: </b>Saturday, June 27, 2015 2:13:52 AM<br>
<b>Subject: </b>Re: [Gluster-users] GlusterFS 3.5.3 -
untar: very poor performance<br>
<div><br>
</div>
Hi Krutika,
<div><br>
</div>
<div>Since I have re-enabled the quota feature on my
volume vol_home, one defined quota is become like
crazy… And it’s a very very very big problem for us.</div>
<div><br>
</div>
<div>During all the day, after having re-enabled it, i
noted the used space detected growing up (without
any user IO on)..</div>
<div><br>
</div>
<div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">[root@lucifer ~]#
gluster volume quota vol_home list|grep
derreumaux_team</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">/derreumaux_team
14.0TB 80% 13.7TB
357.2GB</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">[root@lucifer ~]#
gluster volume quota vol_home list
/derreumaux_team</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;"> Path
Hard-limit Soft-limit Used
Available</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">--------------------------------------------------------------------------------</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">/derreumaux_team
14.0TB 80% 13.1TB
874.1GB</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">[root@lucifer ~]# pdsh
-w cl-storage[1,3] du -sh
/export/brick_home/brick*/derreumaux_team</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">cl-storage3: 590G<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space: pre;"> </span>/export/brick_home/brick1/derreumaux_team</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">cl-storage3: 611G<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space: pre;"> </span>/export/brick_home/brick2/derreumaux_team</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">cl-storage1: 567G<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space: pre;"> </span>/export/brick_home/brick1/derreumaux_team</div>
<div style="margin: 0px; font-size: 11px;
font-family: Menlo; color: rgb(255, 255, 255);
background-color: rgb(0, 0, 0);"
data-mce-style="margin: 0px; font-size: 11px;
font-family: Menlo; color: #ffffff;
background-color: #000000;">cl-storage1: 564G<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space: pre;"> </span>/export/brick_home/brick2/derreumaux_team</div>
<div><br class="webkit-block-placeholder">
</div>
<div>As you can see in these 3 command lines, i
obtain 3 different results but, the worse, it’s
quota system est very very far from the real disk
used space (13.7TB <> 13.1TB
<<>> 2.3TB).</div>
<div><br>
</div>
<div>Can you please help to fix it very quickly
because all this group is completely block by
exceeded quota.</div>
<div><br>
</div>
<div>Thank you so much by advance,</div>
<div>Have a nice week-end,</div>
<div>Geoffrey</div>
<div>------------------------------------------------------<br>
Geoffrey Letessier<br>
Responsable informatique & ingénieur système<br>
UPR 9080 - CNRS - Laboratoire de Biochimie
Théorique<br>
Institut de Biologie Physico-Chimique<br>
13, rue Pierre et Marie Curie - 75005 Paris<br>
Tel: 01 58 41 50 93 - eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@ibpc.fr"
target="_blank"
data-mce-href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a></div>
<br>
<div>
<div>Le 26 juin 2015 à 10:29, Krutika Dhananjay
<<a moz-do-not-send="true"
href="mailto:kdhananj@redhat.com"
target="_blank"
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>>
a écrit :</div>
<br class="Apple-interchange-newline">
<blockquote>
<div style="font-family: garamond, 'new york',
times, serif; font-size: 12pt;"
data-mce-style="font-family: garamond, 'new
york', times, serif; font-size: 12pt;">
<div>No but if you are saying it is 3.5.3 rpm
version, then that bug does not exist there.<br>
</div>
<div>And still it is weird how you are seeing
such bad performance. :-/<br>
</div>
<div>Anything suspicious in the logs?<br>
</div>
<div><br>
</div>
<div>-Krutika<br>
</div>
<hr id="zwchr">
<blockquote style="border-left-width: 2px;
border-left-style: solid; border-left-color:
rgb(16, 16, 255); margin-left: 5px;
padding-left: 5px; font-weight: normal;
font-style: normal; text-decoration: none;
font-family: Helvetica, Arial, sans-serif;
font-size: 12pt;"
data-mce-style="border-left-width: 2px;
border-left-style: solid; border-left-color:
#1010ff; margin-left: 5px; padding-left:
5px; font-weight: normal; font-style:
normal; text-decoration: none; font-family:
Helvetica, Arial, sans-serif; font-size:
12pt;"><b>From: </b>"Geoffrey Letessier"
<<a moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr"
target="_blank"
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br>
<b>To: </b>"Krutika Dhananjay" <<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com"
target="_blank"
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>><br>
<b>Sent: </b>Friday, June 26, 2015 1:27:16
PM<br>
<b>Subject: </b>Re: [Gluster-users]
GlusterFS 3.5.3 - untar: very poor
performance<br>
<div><br>
</div>
No , it’s the 3.5.3 RPMS version if found on
your reposity (published on novembre 2014).
<div class="">So, you suggest me to simply
upgrade all servers and clients with the
new 3.5.4 version? Wouldn't it be better
to upgrade all the system (servers and
clients) to the 3.7.1 version?</div>
<div class=""><br class="">
</div>
<div class="">Geoffrey<br class="">
<div class="">
<div style="letter-spacing: normal;
orphans: auto; text-align: start;
text-indent: 0px; text-transform:
none; white-space: normal; widows:
auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px;
word-wrap: break-word;
-webkit-nbsp-mode: space;
-webkit-line-break:
after-white-space;" class=""
data-mce-style="letter-spacing:
normal; orphans: auto; text-align:
start; text-indent: 0px;
text-transform: none; white-space:
normal; widows: auto; word-spacing:
0px; -webkit-text-stroke-width: 0px;
word-wrap: break-word;
-webkit-nbsp-mode: space;
-webkit-line-break:
after-white-space;">------------------------------------------------------<br
class="">
Geoffrey Letessier<br class="">
Responsable informatique &
ingénieur système<br class="">
UPR 9080 - CNRS - Laboratoire de
Biochimie Théorique<br class="">
Institut de Biologie Physico-Chimique<br
class="">
13, rue Pierre et Marie Curie - 75005
Paris<br class="">
Tel: 01 58 41 50 93 - eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@ibpc.fr"
class="" target="_blank"
data-mce-href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a><br>
</div>
</div>
<br class="">
<div>
<blockquote class="">
<div class="">Le 26 juin 2015 à 09:03,
Krutika Dhananjay <<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com"
class="" target="_blank"
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>>
a écrit :</div>
<br class="Apple-interchange-newline">
<div class="">
<div class="">
<div style="font-family: garamond,
'new york', times, serif;
font-size: 12pt;" class=""
data-mce-style="font-family:
garamond, 'new york', times,
serif; font-size: 12pt;">
<div class="">Also, so are you
running 3.5.3 rpms on the
clients? Or is it a patched
version with more fixes on top
of 3.5.3?<br class="">
</div>
<div class="">The reason I ask
this is because there was one
performance issue introduced
after 3.5.3 and fixed by 3.5.4
in replication module. I'm
wondering if that could be
causing the issue you
experience.<br class="">
</div>
<div class=""><br class="">
</div>
<div class="">-Krutika<br
class="">
</div>
<hr id="zwchr" class="">
<blockquote
style="border-left-width: 2px;
border-left-style: solid;
border-left-color: rgb(16, 16,
255); margin-left: 5px;
padding-left: 5px;
font-weight: normal;
font-style: normal;
text-decoration: none;
font-family: Helvetica, Arial,
sans-serif; font-size: 12pt;"
class=""
data-mce-style="border-left-width:
2px; border-left-style: solid;
border-left-color: #1010ff;
margin-left: 5px;
padding-left: 5px;
font-weight: normal;
font-style: normal;
text-decoration: none;
font-family: Helvetica, Arial,
sans-serif; font-size: 12pt;"><b
class="">From: </b>"Geoffrey
Letessier" <<a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr"
class="" target="_blank"
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br
class="">
<b class="">To: </b>"Krutika
Dhananjay" <<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com"
class="" target="_blank"
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>><br
class="">
<b class="">Sent: </b>Friday,
June 26, 2015 10:05:26 AM<br
class="">
<b class="">Subject: </b>Re:
[Gluster-users] GlusterFS
3.5.3 - untar: very poor
performance<br class="">
<div class=""><br class="">
</div>
Hi Krutika,
<div class=""><br class="">
</div>
<div class="">Oops, I disable
quota manager without saving
configuration. Could you
tell me how to retrieve
quota list information?</div>
<div class=""><br class="">
</div>
<div class="">I’m gonna test
the untar in the meantime.</div>
<div class=""><br class="">
</div>
<div class="">Geoffrey<br
class="">
<div class="">------------------------------------------------------<br
class="">
Geoffrey Letessier<br
class="">
Responsable informatique
& ingénieur système<br
class="">
UPR 9080 - CNRS -
Laboratoire de Biochimie
Théorique<br class="">
Institut de Biologie
Physico-Chimique<br
class="">
13, rue Pierre et Marie
Curie - 75005 Paris<br
class="">
Tel: 01 58 41 50 93 -
eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@ibpc.fr"
target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a><br
class="">
</div>
<br class="">
<div class="">
<div class="">Le 26 juin
2015 à 04:56, Krutika
Dhananjay <<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com" target="_blank" class=""
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>>
a écrit :</div>
<br
class="Apple-interchange-newline">
<blockquote class="">
<div style="font-family:
garamond, 'new york',
times, serif;
font-size: 12pt;"
class=""
data-mce-style="font-family:
garamond, 'new york',
times, serif;
font-size: 12pt;">
<div class="">Hi,<br
class="">
</div>
<div class=""><br
class="">
</div>
<div class="">So i
tried out kernel src
tree untar locally
on a plain replicate
(1x2) volume and it
took me 7m30sec on
an average. This was
on vms and there was
no rdma and there
was no quota
enabled.</div>
<div class="">Could
you try the same
thing on a volume
without quota to see
if it makes a
difference to the
perf?</div>
<div class=""><br
class="">
</div>
<div class="">-Krutika</div>
<div class=""><br
class="">
</div>
<hr id="zwchr"
class="">
<blockquote
style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
rgb(16, 16, 255);
margin-left: 5px;
padding-left: 5px;
font-weight: normal;
font-style: normal;
text-decoration:
none; font-family:
Helvetica, Arial,
sans-serif;
font-size: 12pt;"
class=""
data-mce-style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
#1010ff;
margin-left: 5px;
padding-left: 5px;
font-weight: normal;
font-style: normal;
text-decoration:
none; font-family:
Helvetica, Arial,
sans-serif;
font-size: 12pt;"><b
class="">From: </b>"Geoffrey
Letessier" <<a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br
class="">
<b class="">To: </b>"Krutika
Dhananjay" <<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com" target="_blank" class=""
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>><br
class="">
<b class="">Sent: </b>Wednesday,
June 24, 2015
10:21:13 AM<br
class="">
<b class="">Subject:
</b>Re:
[Gluster-users]
GlusterFS 3.5.3 -
untar: very poor
performance<br
class="">
<div class=""><br
class="">
</div>
Hi Krutika,
<div class=""><br
class="">
</div>
<div class="">OK,
thank you very
much by advance.</div>
<div class="">Concerning
quota system, are
you in touch with
Vijaykumar?
Because I’m still
waiting for a
answer since a
couple of days,
nay more.</div>
<div class=""><br
class="">
</div>
<div class="">One
more time, thank
you.</div>
<div class="">Have a
nice day (in
France it’s 6:50
AM).</div>
<div class="">Geoffrey</div>
<div class="">
<div class="">
<div
style="letter-spacing:
normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="" data-mce-style="letter-spacing: normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;">-----------------------------------------------<br
class="">
Geoffrey
Letessier<br
class="">
<div class=""><br
class="">
</div>
Responsable
informatique
&
ingénieur
système<br
class="">
CNRS - UPR
9080 -
Laboratoire
de Biochimie
Théorique<br
class="">
Institut de
Biologie
Physico-Chimique<br
class="">
13, rue Pierre
et Marie Curie
- 75005 Paris<br
class="">
Tel: 01 58 41
50 93 -
eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a><br
class="">
</div>
</div>
<br class="">
<div class="">
<div class="">Le
24 juin 2015 à
05:55, Krutika
Dhananjay <<a
moz-do-not-send="true" href="mailto:kdhananj@redhat.com" target="_blank"
class=""
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>>
a écrit :</div>
<br
class="Apple-interchange-newline">
<blockquote
class="">
<div
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
class=""
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">Ok
so for
anything
related to
replication, I
could help you
out.</div>
<div class="">But
for quota, it
would be
better to ask
Vijaikumar
Mallikarjuna
or Raghavendra
G on the
mailing list.<br
class="">
</div>
<div class="">I
used to work
on quota, long
time back. But
now I am not
in touch with
the component
anymore and do
not know of
the latest
changes to it.<br
class="">
</div>
<div class="">For
the
performance
issue, I will
try linux
kernel src
untar on my
machines and
let you know
what I find.<br
class="">
</div>
<div class=""><br
class="">
</div>
<div class="">-Krutika<br
class="">
</div>
<div class=""><br
class="">
</div>
<hr id="zwchr"
class="">
<blockquote
style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
rgb(16, 16,
255);
margin-left:
5px;
padding-left:
5px;
font-weight:
normal;
font-style:
normal;
text-decoration:
none;
font-family:
Helvetica,
Arial,
sans-serif;
font-size:
12pt;"
class=""
data-mce-style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
#1010ff;
margin-left:
5px;
padding-left:
5px;
font-weight:
normal;
font-style:
normal;
text-decoration:
none;
font-family:
Helvetica,
Arial,
sans-serif;
font-size:
12pt;"><b
class="">From:
</b>"Geoffrey
Letessier"
<<a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br
class="">
<b class="">To:
</b>"Krutika
Dhananjay"
<<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com" target="_blank" class=""
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>><br
class="">
<b class="">Sent:
</b>Monday,
June 22, 2015
9:00:52 PM<br
class="">
<b class="">Subject:
</b>Re:
[Gluster-users]
GlusterFS
3.5.3 - untar:
very poor
performance<br
class="">
<div class=""><br
class="">
</div>
Hi Krutika,
<div class=""><br
class="">
</div>
<div class="">Sorry
for the delay
but i was in
meeting all
the day. </div>
<div class=""><br
class="">
</div>
<div class="">
<blockquote
class="">
<div class="">
<div class=""
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">Good
to hear from
you as well.
:)<br class="">
</div>
</div>
</div>
</blockquote>
<div class="">
<div class="">
<div class=""
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">;-)</div>
<div class="">
<blockquote
style="font-family:
Helvetica;
font-size:
12px;"
class=""
data-mce-style="font-family:
Helvetica;
font-size:
12px;">
<div class="">
<div class=""
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">So
you are seeing
this bad
performance
only in 3.5.3?
Any other
releases you
tried this
test on, where
the results
were much
better with
replication?<br
class="">
</div>
</div>
</div>
</blockquote>
<div class="">
<div class="">
<div class=""
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">Yes
but I’m not
sure my issue
is only
concerning
this specific
release. A few
days ago, the
untar process
(with the same
version of
GlusterFS)
took around 8
minutes, now
around 32
minutes. 8 was
too much but
what about 32
minutes? :)</div>
<div class=""><br
class="">
</div>
<div class="">That
said, my
matter is only
concerning
small files
because if i
play with dd
(or other)
with only 1
big file all
is OK (client
write
throughput:
~1GBs =>
~500MBs in
each replica)</div>
<div class=""><br
class="">
</div>
<div class="">If
i run my bench
on my only
distributed
volume i get a
good
performance
(untar:
~1m44s,
etc.)..</div>
<div class=""><br
class="">
</div>
<div class="">In
addition, i
dunno if it
can be
important, I
have some
troubles with
GlusterFS
group quota:
there are a
lot of
conflicts
between quota
size and
actual file
size which
dont match and
a lot of
"quota xattrs
not found"
messages with
quota-verify
glusterfs app.
-you can find
in attachment
an extract of
quota-verify
outputs. </div>
</div>
</div>
</div>
</div>
<div class=""><br
class="">
</div>
<div class="">
<blockquote
style="font-family:
Helvetica;
font-size:
12px;"
class=""
data-mce-style="font-family:
Helvetica;
font-size:
12px;">
<div class="">
<div class=""
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">If
so, could you
please let me
know?
Meanwhile let
me try the
untar myself
on my vms to
see what could
be causing the
perf issue.<br
class="">
</div>
</div>
</div>
</blockquote>
<div class="">
<div class="">
<div class=""
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">OK,
thanks. </div>
<div class=""><br
class="">
</div>
<div class="">See
you,</div>
<div class="">Geoffrey</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="">
<div
style="letter-spacing:
normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="" data-mce-style="letter-spacing: normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;">------------------------------------------------------<br
class="">
Geoffrey
Letessier<br
class="">
Responsable
informatique &
ingénieur
système<br
class="">
UPR 9080 -
CNRS -
Laboratoire de
Biochimie Théorique<br class="">
Institut de
Biologie
Physico-Chimique<br
class="">
13, rue Pierre
et Marie Curie
- 75005 Paris<br
class="">
Tel: 01 58 41
50 93 -
eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@ibpc.fr" class="" target="_blank"
data-mce-href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a><br
class="">
</div>
</div>
<br class="">
<div class="">
<blockquote
class="">
<div class="">Le
22 juin 2015 à
11:35, Krutika
Dhananjay <<a
moz-do-not-send="true" href="mailto:kdhananj@redhat.com" class=""
target="_blank"
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>> a
écrit :</div>
<br
class="Apple-interchange-newline">
<div class="">
<div class="">
<div
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
class=""
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">Hi
Geoffrey,<br
class="">
</div>
<div class=""><br
class="">
</div>
<div class="">Good
to hear from
you as well.
:)<br class="">
</div>
<div class="">Ok
so you say
disabling
write-behind
does not help.
Makes me
wonder what
the problem
could be.<br
class="">
</div>
<div class="">So
you are seeing
this bad
performance
only in 3.5.3?
Any other
releases you
tried this
test on, where
the results
were much
better with
replication?<br
class="">
</div>
<div class="">If
so, could you
please let me
know?
Meanwhile let
me try the
untar myself
on my vms to
see what could
be causing the
perf issue.<br
class="">
</div>
<div class=""><br
class="">
</div>
<div class="">-Krutika<br
class="">
</div>
<div class=""><br
class="">
</div>
<hr id="zwchr"
class="">
<blockquote
style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
rgb(16, 16,
255);
margin-left:
5px;
padding-left:
5px;
font-weight:
normal;
font-style:
normal;
text-decoration:
none;
font-family:
Helvetica,
Arial,
sans-serif;
font-size:
12pt;"
class=""
data-mce-style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
#1010ff;
margin-left:
5px;
padding-left:
5px;
font-weight:
normal;
font-style:
normal;
text-decoration:
none;
font-family:
Helvetica,
Arial,
sans-serif;
font-size:
12pt;"><b
class="">From:
</b>"Geoffrey
Letessier"
<<a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" class="" target="_blank"
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br
class="">
<b class="">To:
</b>"Krutika
Dhananjay"
<<a
moz-do-not-send="true"
href="mailto:kdhananj@redhat.com" class="" target="_blank"
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>><br
class="">
<b class="">Sent:
</b>Monday,
June 22, 2015
10:14:26 AM<br
class="">
<b class="">Subject:
</b>Re:
[Gluster-users]
GlusterFS
3.5.3 - untar:
very poor
performance<br
class="">
<div class=""><br
class="">
</div>
Hi Krutika,
<div class=""><br
class="">
</div>
<div class="">It’s
good to read
you again :)</div>
<div class=""><br
class="">
</div>
<div class="">Here
are my
answers:</div>
<div class="">1-
could you
remind me how
to know if
self-heal is
currently in
progress? I
dont note any
special
neither
mount-point
(except
/var/run/gluster/vol_home
one) nor
dedicated
process; but
maybe i look
in the wrong
place..</div>
<div class="">2-
OK, I just
disabled
write-behind
parameter and
rerun the
bench. I’ll
let you know
more about
when I will
arrive at my
office (I’m
still at home
at this time).</div>
<div class=""><br
class="">
</div>
<div class="">See
you and thanks
you for
helping. </div>
<div class="">Geoffrey</div>
<div class="">
<div class="">
<div
style="letter-spacing:
normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="" data-mce-style="letter-spacing: normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;">-----------------------------------------------<br
class="">
Geoffrey
Letessier<br
class="">
<div class=""><br
class="">
</div>
Responsable
informatique
&
ingénieur
système<br
class="">
CNRS - UPR
9080 -
Laboratoire
de Biochimie
Théorique<br
class="">
Institut de
Biologie
Physico-Chimique<br
class="">
13, rue Pierre
et Marie Curie
- 75005 Paris<br
class="">
Tel: 01 58 41
50 93 -
eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a><br
class="">
</div>
</div>
<br class="">
<div class="">
<div class="">Le
22 juin 2015 à
04:35, Krutika
Dhananjay <<a
moz-do-not-send="true" href="mailto:kdhananj@redhat.com" target="_blank"
class=""
data-mce-href="mailto:kdhananj@redhat.com">kdhananj@redhat.com</a>>
a écrit :</div>
<br
class="Apple-interchange-newline">
<blockquote
class="">
<div
style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;"
class=""
data-mce-style="font-family:
garamond, 'new
york', times,
serif;
font-size:
12pt;">
<div class="">Hi
Geoffrey,<br
class="">
</div>
<div class=""><br
class="">
</div>
<div class="">1.
Was self-heal
also in
progress while
I/O was
happening on
the volume?<br
class="">
</div>
<div class="">2.
Also, there
seem to be
quite a few
fsyncs which
could possibly
have slowed
things down a
bit. Could you
disable
write-behind
and try<br
class="">
</div>
<div class="">
getting the
time stats one
more time to
eliminate the
possibility of
write-behind's
presence
causing
out-of-order
writes to
increase the
number of
fsyncs<br
class="">
</div>
<div class="">
by the
replication
module.<br
class="">
</div>
<div class=""><br
class="">
</div>
<div class="">-Krutika<br
class="">
</div>
<hr id="zwchr"
class="">
<blockquote
style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
rgb(16, 16,
255);
margin-left:
5px;
padding-left:
5px;
font-weight:
normal;
font-style:
normal;
text-decoration:
none;
font-family:
Helvetica,
Arial,
sans-serif;
font-size:
12pt;"
class=""
data-mce-style="border-left-width:
2px;
border-left-style:
solid;
border-left-color:
#1010ff;
margin-left:
5px;
padding-left:
5px;
font-weight:
normal;
font-style:
normal;
text-decoration:
none;
font-family:
Helvetica,
Arial,
sans-serif;
font-size:
12pt;"><b
class="">From:
</b>"Geoffrey
Letessier"
<<a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>><br
class="">
<b class="">To:
</b><a
moz-do-not-send="true"
href="mailto:gluster-users@gluster.org" target="_blank" class=""
data-mce-href="mailto:gluster-users@gluster.org">gluster-users@gluster.org</a><br
class="">
<b class="">Sent:
</b>Saturday,
June 20, 2015
6:04:40 AM<br
class="">
<b class="">Subject:
</b>Re:
[Gluster-users]
GlusterFS
3.5.3 - untar:
very poor
performance<br
class="">
<div class=""><br
class="">
</div>
Re,
<div class=""><br
class="">
</div>
<div class="">For
comparison,
here is the
output of the
same script
run on a
distributed
only volume (2
servers of the
4 previously
described, 2
bricks each):
<div class="">
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">################
UNTAR time
consumed
################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>1m44.698s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m8.891s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m8.353s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
DU time
consumed
##################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">554M<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>linux-4.1-rc6</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m21.062s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.100s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m1.040s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
FIND time
consumed
################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">52663</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m21.325s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.104s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m1.054s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
GREP time
consumed
################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">7952</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m43.618s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.922s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m3.626s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
TAR time
consumed
#################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m50.577s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m29.745s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m4.086s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
RM time
consumed
##################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m41.133s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.171s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m2.522s</span></div>
<div class=""><br
class="">
</div>
<div class="">The
performances
are amazing
different!</div>
<div class=""><br
class="">
</div>
<div class="">Geoffrey</div>
<div class="">
<div
style="letter-spacing:
normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="" data-mce-style="letter-spacing: normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;">-----------------------------------------------<br
class="">
Geoffrey
Letessier<br
class="">
<div class=""><br
class="">
</div>
Responsable
informatique
&
ingénieur
système<br
class="">
CNRS - UPR
9080 -
Laboratoire
de Biochimie
Théorique<br
class="">
Institut de
Biologie
Physico-Chimique<br
class="">
13, rue Pierre
et Marie Curie
- 75005 Paris<br
class="">
Tel: 01 58 41
50 93 -
eMail: <a
moz-do-not-send="true"
href="mailto:geoffrey.letessier@cnrs.fr" target="_blank" class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a><br
class="">
</div>
</div>
<br class="">
<div class="">
<div class="">Le
20 juin 2015 à
02:12,
Geoffrey
Letessier <<a
moz-do-not-send="true" href="mailto:geoffrey.letessier@cnrs.fr"
target="_blank"
class=""
data-mce-href="mailto:geoffrey.letessier@cnrs.fr">geoffrey.letessier@cnrs.fr</a>>
a écrit :</div>
<br
class="Apple-interchange-newline">
<blockquote
class="">
<div
style="word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="" data-mce-style="word-wrap: break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;">Dear all,
<div class=""><br
class="">
</div>
<div class="">I
just noticed
on my main
volume of my
HPC cluster my
IO operations
become
impressively
poor.. </div>
<div class=""><br
class="">
</div>
<div class="">Doing
some file
operations
above a linux
kernel sources
compressed
file, the
untar
operation can
take more than
1/2 hours for
this file
(roughly 80MB
and 52 000
files inside)
as you read
below:</div>
<div class="">
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">################
UNTAR time
consumed
################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>32m42.967s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m11.783s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m15.050s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
DU time
consumed
##################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">557M<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>linux-4.1-rc6</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m25.060s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.068s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.344s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
FIND time
consumed
################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">52663</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m25.687s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.084s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.387s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
GREP time
consumed
################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">7952</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>2m15.890s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.887s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m2.777s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
TAR time
consumed
#################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>1m5.551s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m26.536s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m2.609s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#################
RM time
consumed
##################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">#######################################################</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);
min-height:
11px;"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;
min-height:
11px;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"><br
class="">
</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">real<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>2m51.485s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">user<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m0.167s</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">sys<span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>0m1.663s</span></div>
</div>
<div class=""><br
class="">
</div>
<div class="">For
information,
this volume is
a distributed
replicated one
and is
composed by 4
servers with 2
bricks each.
Each bricks is
a 12-drives
RAID6 vdisk
with nice
native
performances
(around
1.2GBs).</div>
<div class=""><br
class="">
</div>
<div class="">In
comparison,
when I use DD
to generate a
100GB file on
the same
volume, my
write
throughput is
around 1GB
(client side)
and 500MBs
(server side)
because of
replication:</div>
<div class="">Client
side:</div>
<div class="">
<div class="">
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">[root@node056
~]# ifstat -i
ib0</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">
ib0 </span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"> KB/s
in KB/s out</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"> 3251.45
1.09e+06</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"> 3139.80
1.05e+06</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"> 3185.29
1.06e+06</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"> 3293.84
1.09e+06</span></div>
</div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">...</span></div>
<div class=""><br
class="">
</div>
<div class="">Server
side:</div>
<div class="">
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">[root@lucifer
~]# ifstat -i
ib0</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">
ib0 </span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;"> KB/s
in KB/s out</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">561818.1 1746.42</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">560020.3 1737.92</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">526337.1 1648.20</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">513972.7 1613.69</span></div>
</div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">...</span></div>
<div class=""><br
class="webkit-block-placeholder">
</div>
<div class="">DD
command:</div>
<div class="">
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">[root@node056
~]# dd
if=/dev/zero
of=/home/root/test.dd
bs=1M
count=100000</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">100000+0
enregistrements
lus</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">100000+0
enregistrements
écrits</span></div>
<div
style="margin:
0px;
font-family:
Menlo; color:
rgb(255, 255,
255);
background-color:
rgb(0, 0, 0);"
class=""
data-mce-style="margin:
0px;
font-family:
Menlo; color:
#ffffff;
background-color:
#000000;"><span
style="font-size:
9px;" class=""
data-mce-style="font-size:
9px;">104857600000
octets (105
GB) copiés,
202,99 s, 517
MB/s</span></div>
</div>
<div class=""><br
class="">
</div>
<div class="">So
this issue
doesn’t seem
coming from
the network
(which is
Infiniband
technology in
this case)</div>
<div class=""><br
class="">
</div>
<div class="">You
can find in
attachments a
set of files:</div>
<div class=""><span
class="Apple-tab-span" style="white-space: pre;"
data-mce-style="white-space:
pre;"> </span>- mybench.sh:
the bench
script</div>
<div class=""><span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>- benches.txt:
output of my
"bench"</div>
<div class=""><span
class="Apple-tab-span" style="white-space: pre;"
data-mce-style="white-space:
pre;"> </span>- profile.txt:
gluster volume
profile during
the "bench"</div>
<div class=""><span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>- vol_status.txt:
gluster volume
status</div>
<div class=""><span
class="Apple-tab-span" style="white-space:pre"
data-mce-style="white-space:
pre;"> </span>- vol_info.txt:
gluster volume
info</div>
<div class=""><br
class="">
</div>
<div class="">Can
someone help
me to fix it
(it’s very
critical
because this
volume is on a
HPC cluster in
production).</div>
<div class=""><br
class="">
</div>
<div class="">Thanks
by advance,</div>
<div class="">Geoffrey</div>
<div class="">
<div
style="letter-spacing:
normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="" data-mce-style="letter-spacing: normal;
orphans: auto;
text-align:
start;
text-indent:
0px;
text-transform:
none;
white-space:
normal;
widows: auto;
word-spacing:
0px;
-webkit-text-stroke-width:
0px;
word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;">-----------------------------------------------<br
class="">
Geoffrey
Letessier<br
class="">
<div class=""><br
class="">
</div>
Responsable
informatique
&
ingénieur
système<br
class="">
CNRS - UPR
9080 -
Laboratoire
de Biochimie
Théorique<br
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Institut de
Biologie
Physico-Chimique<br
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13, rue Pierre
et Marie Curie
- 75005 Paris<br
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Tel: 01 58 41
50 93 -
eMail: <a
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