Re: True ACID under linux (no fsync)?

From: Alex Pilosov <alex(at)pilosoft(dot)com>
To: Alfred Perlstein <bright(at)wintelcom(dot)net>
Cc: bmccoy(at)chapelperilous(dot)net, Postgres Users <pgsql-general(at)postgresql(dot)org>
Subject: Re: True ACID under linux (no fsync)?
Date: 2000-11-01 00:58:31
Message-ID: Pine.BSO.4.10.10010311957400.2291-100000@spider.pilosoft.com
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On Tue, 31 Oct 2000, Alfred Perlstein wrote:

> You guys are missing the difference between fsync(2) and sync(1),
> on Linux fsync(2) (called on a file descriptor) WILL sync out all
> the data halfway to specification, HOWEVER afaik it will not fsync
> out all directory entries that may contain this file.
That all depends on a filesystem. To my belief, all post-ext2 filesystems
(such as tux2, reiserfs, xfs) will properly flush metadata when
necessary..

-alex

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