Re: [RFC] extents support for EXT3

[Ramón Rey Vicente ó]

El jue, 28-08-2003 a las 10:22, Alex Tomas escribió:

> this is 2nd version of the patch. changes:
>   - error handling seems completed
>   - lots of cleanups and comments
>   - few minor bug fixed
> 
> this version of the patch tries to solve couple
> of corner cases:
>   - very long truncate
>   - rewrite 
> 
> it survived dbench, bonnie++ and fsx tests.

It seems very good job.

> take a look at numbers I've just got, please.
> 
>                       before      after
> 5GB file, creation:   2m31.197s   2m21.933s
> 5GB file, read:       2m25.439s   2m24.833s
> 5GB file, rewrite:    2m48.434s   2m20.958s
> 5GB file, removal:    0m8.760s    0m0.858s
> 
>              before           after
> dbench 16:   99.9868 MB/sec   179.243 MB/sec 16 procs
> dbench 16:   89.9919 MB/sec   203.119 MB/sec 16 procs
> dbench 16:   73.5519 MB/sec   185.815 MB/sec 16 procs
> dbench 16:   94.6312 MB/sec   188.519 MB/sec 16 procs
> 
> 
> to use extents you have to use 'extents' mount option

This patch could be included with ext3 in 2.6.x?
-- 
Ramón Rey Vicente       <ramon dot rey at hispalinux dot es>
        jabber ID       <rreylinux at jabber dot org>
------------------------------------------------------------
gpg public key ID 0xBEBD71D5 # http://pgp.escomposlinux.org/

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