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On Thu, Oct 07, 2004 at 11:53:12PM -0400, markw at mohawksoft.com wrote:
> Sorry to top post, but I'm getting this off the digest.
> 
> Contrary to this message, etx3 is a bad file system for databases. Every
> benchmark I have seen and run show that the cost of journalling is
> overwhelming. Under heavy load, I've seen ext3 affect performance
> dramatically, sometimes on an order of magnitude.

Oracle says that ext2 and ext3 perform similarly, and at high
workloads OCFS or raw device access are preferred for
performance.

Since I value stability and fast recovery time for my
applications, we use ext3 on mirrored 3Ware RAID. Performance
has never been a factor, except when Oracle decided on a poor
optimization strategy. (Cured by supplying the appropriate
hints.)

-dsr-




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