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

From: Marti Raudsepp <marti(at)juffo(dot)org>
To: Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: We really ought to do something about O_DIRECT and data=journalled on ext4
Date: 2010-12-01 11:46:45
Message-ID: AANLkTim4o_+odFB4SqDkRrUEgZpRiXSvnP0twh1641CS@mail.gmail.com
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On Wed, Dec 1, 2010 at 12:35, Dimitri Fontaine <dimitri(at)2ndquadrant(dot)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

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