Hi guys! 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.
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 https://www.varnish-cache.org/lists/pipermail/varnish-misc/2008-April/01... <https://www.varnish-cache.org/lists/pipermail/varnish-misc/2008-April/016139.html>. And our threads reaches the maximum (1000). Do you guys have any idea why is that? Cheers, Caires
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