<div dir="ltr">Few questions inline:<br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 4, 2017 at 2:36 PM, Tanmay Mohapatra <span dir="ltr"><<a href="mailto:tanmaykm@hotmail.com" target="_blank">tanmaykm@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>Hi,</div>
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<div>We are planning to use GlusterFS for an application that can potentially create about 100,000 volumes (each of quite small capacity).</div>
<div>At any time, only about a 500 of them could be mounted across multiple compute nodes.</div></div></div></blockquote><div><br></div><div>More than the mounted volumes (or number of mount points), we do check our resources in terms of brick processes. So, a better question to answer would be how many volumes will be in started state at any point of time.<br><br></div><div>Again, what is small capacity volume for you? Gluster as of now treats 'brick' as a resource (ie, hostname and an export directory) along with a 'volume' which contains one or more 'bricks', as another resource. So number of bricks per volume also matter for defining the max number of volumes.<br><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div id="m_-5622225035594180513divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif" dir="ltr">
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<div>Is there any limit on the number of volumes a GlusterFS cluster can have?</div>
<div><br></div></div></div></blockquote><div>Officially we haven't declared a limit, available memory and other disk resources would matter to define these limits. We have tested with 1000s of volumes, but 100k volumes is not tested till now IMO.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div id="m_-5622225035594180513divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif" dir="ltr"><div>
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<div>I would also like to know:</div>
<div>- if there is any performance impact of having a large number of volumes</div></div></div></blockquote><div><br></div><div>Yes, gluster CLI commands <b>may</b> become slow. It doesn't matter for filesystem interface.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div id="m_-5622225035594180513divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif" dir="ltr">
<div>- do we need to provision any resources differently for this</div>
<div><br></div></div></div></blockquote><div><br></div><div>I don't have a correct answer at the moment.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div id="m_-5622225035594180513divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif" dir="ltr"><div>
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<div>Thanks & Regards,</div>
<div>Tanmay.</div>
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