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Posted to users@cloudstack.apache.org by Andrija Panic <an...@gmail.com> on 2015/09/08 15:10:32 UTC

VirtIO disk latency in Wins2012 - repoted wrong

Hi,

just wondering if anyone experienced bug - virtio or Win2012 reated, not
sure, but I expect drivers bug...

In Task Manage you can see average latency for IOs (I was doing FIO disk
benchmark inside Windows) - this shows 1000 bigger latency than what can
bee seen from Resource Manager (and FIO also confirms numbers from Resource
Manager)

Task manager shows ~2000 ms, while FIO and Resource Manager show correct
2ms value.

http://snag.gy/BsOIx.jpg or also attached here...

[image: Inline images 1]

-- 

Andrija Panić