> I know this is turning into a long-running monologue, but this
> performance issues is the last thing standing between me and a Backup
> Exec-free environment, so it's important to me.
>
> I believe I've eliminated the disks as the performance bottleneck.
> Through various tuning knobs (sector size, softdeps, stripe size),
> I've doubled my disk throughput on a simple dd test, but bacula
> performance has remained unchanged. This was also true of multiple
> RAID configurations.
>
> It seems more and more likely to me that this is a Bacula-specific
> issue. What else can I dig into to try to resolve this?
>

I would run a couple of test Full backups. One with 10 or so 1 GB or
greater files. The other with the same # of bytes but thousands of
small files. And post the backup speeds. Also try to determine what
the io bottlenecks are (network, cpu or disk load) on the client or
server.

John

------------------------------------------------------------------------------
Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H
_______________________________________________
Bacula-users mailing list
Bacula-users AT lists.sourceforge DOT net
https://lists.sourceforge.net/lists/listinfo/bacula-users