Re: good pc but bad performance,why?

Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> But it should be okay to set the filesystem to journal only its own
>> metadata.  There's no need for it to journal file contents.

> Can you set ext2 to journal metadata?  I didn't know it could do that.

No, ext2 has no journal at all AFAIK.  But I believe ext3 has an option
to journal or not journal file contents, and at least on a Postgres-only
volume you'd want to turn that off.

            regards, tom lane