| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Ken Hirsch <kenhirsch(at)myself(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Re: New Linux xfs/reiser file systems |
| Date: | 2001-05-04 16:36:23 |
| Message-ID: | 200105041636.f44GaNj24342@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
[ Charset ISO-8859-1 unsupported, converting... ]
> 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(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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