On Wednesday, May 16, 2001 09:51:38 AM -0500 Steve Lord <lord@xxxxxxx>
wrote:
>
> Thanks for the info, I just took a look at the reiserfs archive,
> and subscribed to the list. Interesting that no one on the xfs
> list was contacted about this with questions such as how to configure
> xfs etc (I could say mindcraft here but that might be inflamatory ;-).
I hope everyone on the reiserfs lists realizes how informal these
benchmarks are. If you want a real idea of how <foofs> performs, you've
got to talk with someone who knows a lot about foofs to make sure things
are fair.
> It would certainly be interesting to see which config options were
> used in the filesystem part of the kernel compile. The RPMs were
> shipped with all features turned on which will impact performance,
> turning off quotas and acls would be a good thing.
reiserfs acls are so fast, its like they aren't even there ;-)
>
> Anyway, I am not surprised reiserfs wins on small file
> tests, someone independent might want to ask what happens if you
> pull the power in the middle of the test. I suspect the answer on
> reiserfs is that almost nothing is on the disk after reboot, the file
> creation/removal part of bonnie++ (30000 files created and removed
> twice) can complete without disk I/O on reiserfs.
>
In 2.4.4, the metadata flush time is the same as the bdflush metadata
interval (5 secs by default). Our bonnie++ numbers should be a little
worse for the file creation tests now.
-chris
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