improving concurrency/performance

[Tarjei Huse]

Hi, I would just request that the tests and comments in this thread
should be added to the Cyrus wiki.

Kind regards,
Tarjei
On Mon, 2005-11-07 at 02:46 -0200, Sergio Devojno Bruder wrote:
> David Lang wrote:
>  >(..)
> > I was recently doing some testing of lots of small files on the various 
> > filesystems, and I ran into a huge difference (8x) depending on what 
> > allocator was used for ext*. the default allocator changed between ext2 
> > and ext3 (you can override it as a mount option) and when reading 1M 
> > files (10 dirs of 10 dirs of 10 dirs of 1000 1K files) the time to read 
> > them went from ~5 min with the old allocator useed in ext2 to 40 min for 
> > the one that's the default for ext3.
> > 
> > David Lang
> > 
> (!!) Interesting. You said mount options? man mount man page only show 
> me data=journal, data=ordered, data=writeback, etcetera.
> 
> How can I change that?
> 
> --
> Sergio Bruder
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Tarjei Huse <tarjei at nu.no>