Ow Mun Heng wrote:
Has anyone here, who uses XFS fs, experiencing slow filesystem writes?
I'm seeing throughput of like 4-3MB/s instead of like previously
15-20MB/s.
I have read that there was some thing about "barriers" and I've tried
re-mounting the FS w/ "nobarriers" but the performance didn't improve.
I've already fscked the fs w/ the latest xfsprogs (> 2.8.0) to no good
effect.
Anyone has any clue or suggestions? Else, I'm gonna go and change the FS
back to EXT3.
BTW: it's my /home which is XFS which houses GIGs of Mbox files as well
as VMware images.
What is your kernel version? (could be important).
I'm using 2.7.11 on kernel 2.6.16, write performance is reasonably good
- 100 Mb/s on a 4 disk raid0 array (in fact I could probably do better
if the promise driver would let me run the disks at udma5 instead of
udma6....)
Cheers
Mark
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