Re: We really ought to do something about O_DIRECT and data=journalled on ext4
Josh Berkus <josh@agliodbs.com>
From: Josh Berkus <josh@agliodbs.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-12-01T03:13:11Z
Lists: pgsql-hackers
On 11/30/10 7:09 PM, Tom Lane wrote:
> Josh Berkus <josh@agliodbs.com> writes:
>> Apparently, testing for O_DIRECT at compile time isn't adequate. Ideas?
>
> We should wait for the outcome of the discussion about whether to change
> the default wal_sync_method before worrying about this.
Are we considering backporting that change?
If so, this would be another argument in favor of changing the default.
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com