<div dir="ltr">Hello,<div><br></div><div>gluster performance are not good with large number of small files. Recent version do a better job with them, but not yet what I would enjoy.</div><div><br></div><div>As you are starting at gluster having an existing architecture, you should first setup a lab to learn about it Else you will learn the hard way.</div><div>Don't play with turning off nodes, as you may create more issues than solve.</div><div><br></div><div>just my 2cents</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature">Cordialement,<br>Mathieu CHATEAU<br><a href="http://www.lotp.fr" target="_blank">http://www.lotp.fr</a></div></div>
<br><div class="gmail_quote">2015-07-24 19:34 GMT+02:00 John Kennedy <span dir="ltr"><<a href="mailto:skebi69@gmail.com" target="_blank">skebi69@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I am new to Gluster and have not found anything useful from my friend Google. I have not dealt with physical hardware in a few years (my last few jobs have been VM's and AWS based)<div><br></div><div>I inherited a 4 node gluster configuration. There are 2 bricks, one is 9TB the other 11TB.</div><div><br></div><div>The 11TB brick has a HUGE number of small files taking up only 1.3TB of the brick. For some reason, even a simple ls command can take hours to even start listing files. I removed a node by shutting down gluster on that node. The change in performance is dramatic. If I try and do ls on the 11TB brick on the downed node, I am still getting the slow response. I have narrowed the issue down to this one node as a result.</div><div><br></div><div>When I start gluster on the bad node, glusterfsd hits over 1000%CPU use (The server has dual 8 core CPU's) and the load will jump to 25-30 within 5 minutes. As such, I think this is a gluster issue and not a hardware issue. I am trying to not reinstall gluster yet. </div><div><br></div><div>Is there something I am missing in my checks or will I need to reinstall gluster on that node?</div><div><br></div><div>Thanks,</div><div>John</div><div><div><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br>John Kennedy (_8(|)<br></div><div dir="ltr">Sometimes it happens, sometimes it doesn't - Pedro Catacora</div><div dir="ltr"><br></div><div dir="ltr">Just because nobody disagrees with you doesn't mean you are correct.<br><div><br></div><div>Anatidaephobia is the fear that somehow, somewhere a duck is watching you - <a href="http://urbandictionary.com" target="_blank">urbandictionary.com</a><br></div><div><div><div dir="ltr"><br></div></div><div><span style="font-size:12.8000001907349px">The Dunning-Kruger effect occurs when incompetent people not only fail to realize their incompetence, but consider themselves much more competent than everyone else. Basically - they're too stupid to know that they're stupid.</span></div></div></div></div></div></div></div></div></div>
</div></div>
<br>_______________________________________________<br>
Gluster-users mailing list<br>
<a href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a><br>
<a href="http://www.gluster.org/mailman/listinfo/gluster-users" rel="noreferrer" target="_blank">http://www.gluster.org/mailman/listinfo/gluster-users</a><br></blockquote></div><br></div>