<div dir="ltr">And my storage is locate here
<p class="p1"><span class="s1">/var/lib/varnish-cache/varnish_storage.bin</span></p><br><div class="gmail_quote"><div dir="ltr">On Tue, Nov 3, 2015 at 10:42 AM Caires Vinicius <<a href="mailto:cairesvs@gmail.com">cairesvs@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><p style="margin:0px 10px 1.5em 0px;color:rgb(34,34,34);font-family:'Open Sans',sans-serif;font-size:12px;line-height:18px">Hi guys! </p><p style="margin:0px 10px 1.5em 0px;color:rgb(34,34,34);font-family:'Open Sans',sans-serif;font-size:12px;line-height:18px">We've started to use Varnish 4 with Amazon Linux with EBS SSD of 40GB, memory of 7.5GB. We use the file storage with 20G allocated with ttl of 11 minutes and grace of 5 hours, all the other configs are standard.</p><p style="margin:0px 10px 1.5em 0px;color:rgb(34,34,34);font-family:'Open Sans',sans-serif;font-size:12px;line-height:18px">Sometimes when we have a lot of request that result into cache miss we started to notice that our request latency grows and the iowait stays at 100%, something similar to this <a href="https://www.varnish-cache.org/lists/pipermail/varnish-misc/2008-April/016139.html" rel="nofollow" style="text-decoration:none;color:rgb(30,117,187);background:transparent" target="_blank">https://www.varnish-cache.org/lists/pipermail/varnish-misc/2008-April/01...</a>. And our threads reaches the maximum (1000).</p><p style="margin:0px 10px 1.5em 0px;color:rgb(34,34,34);font-family:'Open Sans',sans-serif;font-size:12px;line-height:18px">Do you guys have any idea why is that? </p><p style="margin:0px 10px 1.5em 0px;color:rgb(34,34,34);font-family:'Open Sans',sans-serif;font-size:12px;line-height:18px">Cheers,</p><p style="margin:0px 10px 1.5em 0px;color:rgb(34,34,34);font-family:'Open Sans',sans-serif;font-size:12px;line-height:18px">Caires</p></div></blockquote></div></div>