[Bugs] [Bug 1468191] New: Enable stat-prefetch in group virt
bugzilla at redhat.com
bugzilla at redhat.com
Thu Jul 6 09:18:15 UTC 2017
https://bugzilla.redhat.com/show_bug.cgi?id=1468191
Bug ID: 1468191
Summary: Enable stat-prefetch in group virt
Product: GlusterFS
Version: mainline
Component: core
Assignee: kdhananj at redhat.com
Reporter: kdhananj at redhat.com
CC: bugs at gluster.org
Description of problem:
We saw improvement in IOPs as part of performance improvement effort for
gluster with vm store use case. As per volume profile data collected, qemu
sends almost as many stats as the number of reads in pure random read workload.
With stat-prefetch on, the number of stats hitting the disk got reduced to <
100.
Version-Release number of selected component (if applicable):
How reproducible:
Steps to Reproduce:
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Actual results:
Expected results:
Additional info:
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