[xfs-masters] [Bug 21772] Poor Random Performance via NFS with Mixed Workload on mdadm RAID-0

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=21772





--- Comment #2 from Jimbo <pearce_jj at hotmail.com>  2010-11-04 15:46:56 ---
Many thanks for the relpy.

I'm struggling to test on the FS directly IOMeter always runs with a queue
depth of exactly 1 on Linux (removing O_DIRECT from IOTargetDisk.cpp didn't
help).

I tried mapping to the export directly from a Windows box, but again IOMeter
doesn't see the mapped drive (via Windows SFU NFS client).

If another tool can be suggested that will test 8K mixed read/write random
workload with variable queue depths I would be more than happy to look further.

Many thanks indeed.

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