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SubjectRe: [STUPID TESTCASE] ext3 htree vs. reiserfs on 2.5.40-mm1
Paul P Komkoff Jr writes:
> This is the stupidiest testcase I've done but it worth seeing (maybe)
>
> We create 300000 files named from 00000000 to 000493E0 in one
> directory, then delete it in order.
>
> Tests taken on ext3+htree and reiserfs. ext3 w/o htree hadn't
> evaluated because it will take long long time ...
>
> both filesystems was mounted with noatime,nodiratime and ext3 was
> data=writeback to be somewhat fair ...
>
> real user sys
> reiserfs:
> Creating: 3m13.208s 0m4.412s 2m54.404s
> Deleting: 4m41.250s 0m4.206s 4m17.926s
>
> Ext3:
> Creating: 4m9.331s 0m3.927s 2m21.757s
> Deleting: 9m14.838s 0m3.446s 1m39.508s

Why user times are so different?

>
> htree improved this a much but it still beaten by reiserfs. seems odd
> to me - deleting taking twice time then creating ...
>
> --
> Paul P 'Stingray' Komkoff 'Greatest' Jr /// (icq)23200764 /// (http)stingr.net
> When you're invisible, the only one really watching you is you (my keychain)

Nikita.

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