Re: XFS File systems and PostgreSQL
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: bruc@acm.org
Cc: pgsql-hackers@postgresql.org
Date: 2001-05-02T23:51:04Z
Lists: pgsql-hackers
> I have been using PostgreSQL and XFS file systems on SGI's for many > years, and PostgreSQL is fast. Dumping and loading 100GB of table > files takes less than one day elapsed (provided there is no other > activity on that database -- large amounts of transactional activity > will slow things down). I always turn off fsync. Most of my experience has > been with 6.5.3, although I've been using 7.1 and I don't see much > of a difference in performance. > > I don't know if the Linux version of XFS is substantially different > than the SGI version, but XFS is a wonderful filesystem to use and > administer (at least on SGI's). Yes, but you turn off fsync. It is with fsync on that XFS will be slow. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026