Re: Big 7.1 open items
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Jan Wieck <JanWieck@Yahoo.com>, Thomas Lockhart <lockhart@alumni.caltech.edu>, Hiroshi Inoue <Inoue@tpf.co.jp>, Bruce Momjian <maillist@candle.pha.pa.us>, PostgreSQL-development <pgsql-hackers@postgresql.org>, "Ross J. Reedstrom" <reedstrm@rice.edu>
Date: 2000-06-19T00:24:25Z
Lists: pgsql-hackers
> JanWieck@t-online.de (Jan Wieck) writes: > > Thomas Lockhart wrote: > >> Those who live in HP houses should not throw stones :)) > > > Huh? Up to HPUX-9 they used to have BSD-FFS - even if it was > > a 4.2 BSD one - no? > > Yeah, the standard HPUX filesystem is still BSD ... and it still runs > rings around Linux extfs2 in my experience. (I've been informed that > Linux has better filesystems than extfs2, but that seems to be what > the average Linux user is running.) I have a realtime data collection > program that usually wants to write several thousand small files during > shutdown. The shutdown typically takes about 3 minutes on an HP 715/75, > upwards of 10 minutes on a Linux box with nominally-faster hardware. > > BTW, HP is trying to sell people on using a new journaling filesystem > that they claim outperforms BSD, but my few experiments with it > haven't encouraged me to pursue it. You should really try the BSD4.4 FFS with soft updates. It re-orders disk flushes to greatly improve performance. It really is great. -- Bruce Momjian | http://www.op.net/~candle 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