Re: We really ought to do something about O_DIRECT and data=journalled on ext4

Marti Raudsepp <marti@juffo.org>

From: Marti Raudsepp <marti@juffo.org>
To: Dimitri Fontaine <dimitri@2ndquadrant.fr>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Josh Berkus <josh@agliodbs.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2010-12-01T11:46:45Z
Lists: pgsql-hackers
On Wed, Dec 1, 2010 at 12:35, Dimitri Fontaine <dimitri@2ndquadrant.fr> wrote:
> PANIC:  could not open file "pg_xlog/000000010000000000000001" (log file 0, segment 1): Invalid argument

+1 I got the same error when trying to get PostgreSQL working on tmpfs
and gave up.

> Now I understand that you want to test the other alternatives before to
> choose among those which work, but my opinion is that it should be fixed
> in HEAD before next alpha, or even ASAP.

It's queued for this month's commitfest, so things are moving.

https://commitfest.postgresql.org/action/patch_view?id=432

Regards,
Marti