Re: [Ext2-devel] disk throughput

From: Andrew Morton (akpm@zip.com.au)
Date: Mon Nov 05 2001 - 17:53:41 EST


Andreas Dilger wrote:
>
> On Nov 05, 2001 14:22 -0800, Andrew Morton wrote:
> > But I don't know. This is just all bullshit handwaving speculation.
> > We need tests. Numbers. Does anyone have source to a filesystem
> > aging simulation? The Smith/Seltzer code seems to be off the air.
>
> There is a guy doing fragmentation testing for reiserfs. It turns
> out that (in his tests) reiserfs can get 10x slower as the filesystem
> fills up because of intra-file fragmentation. I don't know enough
> about reiserfs block/file allocation policy to know how this compares
> to ext2 at all.
>
> See http://www.informatik.uni-frankfurt.de/~loizides/reiserfs/agetest.html
>

Wow. That looks nice. Unfortunately the tarballs are
missing several files. read.cxx, agesystem.cxx, etc. Plus
a number of dud links.

Constantin, could you please check that the agesystem3 tarball
builds OK, maybe put up a new one? Thanks.

-
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Wed Nov 07 2001 - 21:00:27 EST