<div dir="ltr">This is my fstab<div><br></div><div>localhost:/root /mnt/root glusterfs defaults,<b>direct-io-mode=enable</b> 0 0<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div style="font-size:12.8px"><span style="font-size:12.8px">--</span></div><div style="font-size:12.8px">Saludos, LG</div></div></div></div></div></div>
<br><div class="gmail_quote">On Wed, Jun 22, 2016 at 9:49 AM, ML mail <span dir="ltr"><<a href="mailto:mlnospam@yahoo.com" target="_blank">mlnospam@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div dir="ltr">Luciano, how do you enable direct-io-mode?</div><div><div class="h5"><div><br><br></div><div style="display:block"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir="ltr"><font face="Arial" size="2"> On Wednesday, June 22, 2016 7:09 AM, Luciano Giacchetta <<a href="mailto:ldgiacchetta@gmail.com" target="_blank">ldgiacchetta@gmail.com</a>> wrote:<br></font></div> <br><br> <div><div><div><div dir="ltr"><div>Hi,<br clear="none"><br clear="none"></div><div>I have similar scenario, for a cars classified with millions of small files, mounted with gluster native client in a replica config.<br clear="none"></div><div>The gluster server has 16gb RAM and 4 cores and mount the glusterfs with direct-io-mode=enable. Then i export to all servers ( windows included with CIFS )<br clear="none"></div><div><br clear="none">performance.cache-refresh-timeout: 60<br clear="none">performance.read-ahead: enable<br clear="none">performance.write-behind-window-size: 4MB<br clear="none">performance.io-thread-count: 64<br clear="none">performance.cache-size: 12GB<br clear="none">performance.quick-read: on<br clear="none">performance.flush-behind: on<br clear="none">performance.write-behind: on<br clear="none">nfs.disable: on<br clear="none"><br clear="none"></div><div><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div style="font-size:12.8px"><span style="font-size:12.8px">--</span></div><div style="font-size:12.8px">Saludos, LG</div></div></div></div></div></div>
<br clear="none"><div><div>On Sat, May 28, 2016 at 6:46 AM, Gandalf Corvotempesta <span dir="ltr"><<a rel="nofollow" shape="rect" href="mailto:gandalf.corvotempesta@gmail.com" target="_blank">gandalf.corvotempesta@gmail.com</a>></span> wrote:<br clear="none"><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">if i remember properly, each stat() on a file needs to be sent to all host in replica to check if are in sync</div>
<div dir="ltr">Is this true for both gluster native client and nfs ganesha?</div>
<div dir="ltr">Which is the best for a shared hosting storage with many millions of small files? About 15.000.000 small files in 800gb ? Or even for Maildir hosting</div>
<div dir="ltr">Ganesha can be configured for HA and loadbalancing so the biggest issue that was present in standard NFS now is gone</div>
<div dir="ltr">Any advantage about native gluster over Ganesha? Removing the fuse requirement should also be a performance advantage for Ganesha over native client </div>
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