Awful FreeBSD 9 block IO performance in KVM

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Sun Jul 22 17:12:27 UTC 2012


> kproc that vtblk_strategy() enqueues bio's to. This has been on my
> todo for a while, but haven't had the time. Also, the use of
> bioq_disksort() probably doesn't gain much for virtualized disks,
definitely. it is done by the host.


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