Thats good numbers!<br><br>You wont get per volume cache hits/etc, its a system wide pool..but you can use &#39;priority&#39; to say that PER volume, you want it sticky (keep) neutral (reuse) or never (never) to store those vol blocks in cache.<br>
<br>Cache is always random IO, sequential IO is kept on disk..plenty fast from there and doesn&#39;t pollute the flash cache.<br><br>Your next step is a chart showing the cache hit types.   Level0, metadata, directory...etc. <br>
<br><br>:)<br><br>Good stuff you&#39;re showing there.<br><br><br><br><div class="gmail_quote">On Mon, May 14, 2012 at 12:56 PM, Fletcher Cocquyt <span dir="ltr">&lt;<a href="mailto:fcocquyt@stanford.edu" target="_blank">fcocquyt@stanford.edu</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>We setup a custom view in NMC to show us the hit % and Disk Reads replaced per the Flash Cache Best Practices doc TR-3832.</div>
<div>Is it possible to get more granular information about what is being cached?</div><div><br></div><div>These are NFS data stores and one of the volumes is 500Gb of web content.</div><div>So the web team would be very interested to know the net benefit to them - eg how much are the apache instances benefitting.</div>
<div>We also have oracle instances, VMware volumes and would like per volume stats if possible</div><div><br></div><div><br></div><div>I guess I am looking for the ability to apply the custom view to different vFilers and see per volume hits and hit %, Disk Reads replaced </div>
<div><br></div><div>We have the 1Tb card installed and see the Disk Reads Replaced topping out around 5000 - with one spike up to ~8500</div><div>Does this look like what others are seeing in a mixed workload environment like I described?</div>
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<br></div><div style="word-wrap:break-word">thanks,</div><div style="word-wrap:break-word">Fletcher</div></span><br></div></span><br></span><br></span></span>
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