Re: Re: New Linux xfs/reiser file systems

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> Before we get too involved in speculating, shouldn't we actually measure the
> performance of 7.1 on XFS and Reiserfs?  Since it's easy to disable fsync,
> we can test whether that's the problem.  I don't think that logging file
> systems must intrinsically give bad performance on fsync since they only log
> metadata changes.
> 
> I don't have a machine with XFS installed and it will be at least a week
> before I could get around to a build.  Any volunteers?

There have been multiple reports of poor PostgreSQL performance on
Reiser and xfs.  I don't have numbers, though.  Frankly, I think we need
xfs and reiser experts involved to figure out our options here.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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