Well, this is why Lustre uses striping - however if your file is very small, it will be located on<div>one stripe only, and at that point it's limited by hardware.</div><div>In current Lustre (1.8.6-wc1) you can enable caching on the OSS which may</div>
<div>help.</div><div>cliffw</div><div><br><br><div class="gmail_quote">On Wed, Sep 21, 2011 at 1:16 PM, Michael Di Domenico <span dir="ltr"><<a href="mailto:mdidomenico4@gmail.com">mdidomenico4@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">is there an easy way to identify such hotspots?<br>
<div><div></div><div class="h5"><br>
On Fri, Sep 16, 2011 at 2:24 AM, Mark Day <<a href="mailto:mark.day@rsp.com.au">mark.day@rsp.com.au</a>> wrote:<br>
> Hi all,<br>
><br>
> Does anyone have tips on dealing with 'hotspots' in a Lustre<br>
> filesystems? We've recently noticed some large loads caused by a large<br>
> number of clients hitting a single 'small' file at the same time.<br>
> Something like a NetApp FlexCache would seem to be a solution for this<br>
> but that's obviously proprietary.<br>
><br>
> We're currently using 1.8.3<br>
><br>
> tia, Mark.<br>
> --<br>
> mark day<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>cliffw<div>Support Guy</div><div>WhamCloud, Inc.</div><div><a href="http://www.whamcloud.com" target="_blank">www.whamcloud.com</a></div><div><br>
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