Re: good pc but bad performance,why?

scott.marlowe wrote:
> > One thing I recommend is to use ext2 (or almost anything but ext3). 
> > There is no real need (or benefit) from having the database on a
> > journalled filesystem - the journalling is only trying to give similar
> > sorts of guarantees to what the fsync in PostgreSQL is doing.
> 
> Is this true?  I was under the impression that without at least meta-data 
> journaling postgresql could still be corrupted by power failure.

It is false.  ext2 isn't crash-safe, and PostgreSQL needs an intact file
system for WAL recovery.

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