<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">What are you looking at to determine the hit rate? l2_hits & l2_misses, or hits & misses?<div class=""><br class=""></div><div class="">I’ve got a small cluster with 16G boxes and I’m about on those numbers for the l2arc, my bigger group with dedicated storage servers uses more, but I’d like to do more analysis on it and see how effective it is.<br class=""><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 23, 2017, at 4:53 AM, David Gossage <<a href="mailto:dgossage@carouselchecks.com" class="">dgossage@carouselchecks.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">On Thu, Feb 23, 2017 at 3:57 AM, Gandalf Corvotempesta <span dir="ltr" class=""><<a href="mailto:gandalf.corvotempesta@gmail.com" target="_blank" class="">gandalf.corvotempesta@gmail.com</a>></span> wrote:<br class=""></div></div></div></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto" class="">How much RAM is suggested for gluster with ZFS (no dedup) ?<div dir="auto" class=""><br class=""></div><div dir="auto" class="">Are 16GB enough with an SSD L2ARC?</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">8gb for the arc, 8gb for gluster and OS.</div></div></blockquote><div class=""><br class=""></div><div class="">That's what my systems run though each of my nodes only has @3TB of storage. Current tests among zfs used as VM storage seems to be that l2arc sits almost wholly unused though. I removed mine since it had such a very low hit rate. </div><div class=""><br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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