Hello

On Mon, 2006-06-05 at 15:11 +0200, Juergen Starek wrote:
> Hello everyone,
> 
> I hope this is the right mailing list for my question, if not, please
> redirect me.
> 
> I have noticed that if I put my ~ on a ReiserFS partition, Pan (GNOME's
> newsreader) starts very slowly, taking about 75 seconds. If I move the
> same article cache onto an ext3 partition, Pan starts in less than 10
> seconds. This confuses me, as I've read a lot of benchmarks and comments
> on the net which indicate that ReiserFS is faster than ext3 when handling
> lots of small files.
> 
> Pan's article cache consists of lots of small files (approx. 70 MB, each
> file has only a few kilobytes) and, on my system, it should not be
> fragmented too much because I copied the files from an external source
> onto the empty volume.
> 

Probably Pan is stat(2)-ing whole cache. Can you please try to find out
what Pan is doing on start? Strace(1) may help.
If Pan is doing millions of stats for files from cache - that explains
why it starts slowly when cache is stored on reiserfs.

> Asking this question on the German Linux newsgroup
> de.comp.os.unix.linux.misc[1] didn't lead to any hints about diagnosing
> this behaviour. Any ideas? 
> 
> Many thanks in advance
> 
>   Jürgen
> 
> [1]
> http://groups.google.de/group/de.comp.os.unix.linux.misc/browse_thread/thread/d60014be503abebd/
> 
> 

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