Re: Poor read performance in KVM

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Subject: Re: Poor read performance in KVM
From: Vladimir Bashkirtsev <vladimir@xxxxxxxxxxxxxxx>
Date: Fri, 20 Jul 2012 14:54:34 +0930
Cc: Tommi Virtanen <tv@xxxxxxxxxxx>, Josh Durgin <josh.durgin@xxxxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx
In-reply-to: <CADxhoDT8rimSwP+Y75tGVo3Nd5WYw8xHyDxBAMV8tb5no0OP4Q@mail.gmail.com>
References: <5002C215.108@bashkirtsev.com> <5003B1CC.4060909@inktank.com> <50064DCD.8040904@bashkirtsev.com> <5006D5FB.8030700@inktank.com> <5007FB6E.1080307@bashkirtsev.com> <CADvuQRGaivtgho4R=rk3c_B6eJ2GfG=tZFGNy9knoKyh2CR-zg@mail.gmail.com> <CADxhoDT8rimSwP+Y75tGVo3Nd5WYw8xHyDxBAMV8tb5no0OP4Q@mail.gmail.com>
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:14.0) Gecko/20120713 Thunderbird/14.0

What node/leaf size are you using on your btrfs volume?

Default 4K.

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References:
- Poor read performance in KVM
  - From: Vladimir Bashkirtsev
- Re: Poor read performance in KVM
  - From: Josh Durgin
- Re: Poor read performance in KVM
  - From: Vladimir Bashkirtsev
- Re: Poor read performance in KVM
  - From: Josh Durgin
- Re: Poor read performance in KVM
  - From: Vladimir Bashkirtsev
- Re: Poor read performance in KVM
  - From: Tommi Virtanen
- Re: Poor read performance in KVM
  - From: Calvin Morrow

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