<html><body><div style="font-family: garamond,new york,times,serif; font-size: 12pt; color: #000000"><div>CC'ing distribute component owners.<br></div><div><br></div><div>-Krutika<br></div><hr id="zwchr"><blockquote 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;" 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" <geoffrey.letessier@cnrs.fr><br><b>To: </b>gluster-users@gluster.org<br><b>Sent: </b>Thursday, August 13, 2015 5:39:47 PM<br><b>Subject: </b>[Gluster-users] Lower IO performance with 3.7.x than with 3.5.x<br><div><br></div>Hi,<div class=""><br class=""></div><div class="">Previously we used GlusterFS v3.5.3 and we could achieve around 1.1GBs for read/write in plain distributed volume. </div><div class="">Now, since I have upgraded GlusterFS to 3.7.3, i can only achieve around 700MBs (max).</div><div class=""><br class=""></div><div class="">Here some additional information concerning my volume. </div><div class=""><br class=""></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;"># gluster volume info vol_workdir_amd</span></div><p style="margin: 0px; font-family: Menlo; color: rgb(255, 255, 255); background-color: rgb(0, 0, 0); min-height: 13px;" class="" data-mce-style="margin: 0px; font-family: Menlo; color: #ffffff; background-color: #000000; min-height: 13px;"><span style="font-size: 9px;" class="" data-mce-style="font-size: 9px;"> <br class="webkit-block-placeholder"></span></p><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;">Volume Name: vol_workdir_amd</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;">Type: Distribute</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;">Volume ID: 42d8f9fa-3b24-414f-a275-dadcfdd8d3db</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;">Status: Started</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;">Number of Bricks: 4</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;">Transport-type: tcp,rdma</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;">Bricks:</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;">Brick1: ib-storage1:/export/brick_workdir/brick1/data</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;">Brick2: ib-storage3:/export/brick_workdir/brick1/data</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;">Brick3: ib-storage1:/export/brick_workdir/brick2/data</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;">Brick4: ib-storage3:/export/brick_workdir/brick2/data</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;">Options Reconfigured:</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;">client.event-threads: 4</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;">performance.readdir-ahead: on</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;">auth.allow: 10.0.*</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;">cluster.min-free-disk: 5%</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;">performance.cache-size: 1GB</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;">performance.io-thread-count: 32</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;">diagnostics.brick-log-level: CRITICAL</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;">nfs.disable: on</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;">performance.read-ahead: on</span></div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">and the status is OK for all bricks in.</div><div class=""><br class=""></div><div class="">Thanks in advance,</div><div class="">Geoffrey<br class=""><div class=""><div class=""><div style="color: rgb(0, 0, 0); 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="color: #000000; 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 href="mailto:geoffrey.letessier@ibpc.fr" class="" target="_blank" data-mce-href="mailto:geoffrey.letessier@ibpc.fr">geoffrey.letessier@ibpc.fr</a><br data-mce-bogus="1"></div></div><br class=""></div></div><br>_______________________________________________<br>Gluster-users mailing list<br>Gluster-users@gluster.org<br>http://www.gluster.org/mailman/listinfo/gluster-users</blockquote><div><br></div></div></body></html>