Re: pg_basebackup, pg_receivexlog and data durability (was: silent data loss with ext4 / all current versions)

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: Craig Ringer <craig(dot)ringer(at)2ndquadrant(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_basebackup, pg_receivexlog and data durability (was: silent data loss with ext4 / all current versions)
Date: 2016-09-13 01:35:38
Message-ID: CAB7nPqSjb1-==LnkdtCwwNu7ucCDuSWJT87yKQWVH+6XWJ4Zvw@mail.gmail.com
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On Sat, Sep 10, 2016 at 7:36 PM, Craig Ringer
<craig(dot)ringer(at)2ndquadrant(dot)com> wrote:
> We need it for tap tests. More and more will use pg_basebackup and it'll
> start hurting test speeds badly.

Ah yes, that's a good argument. hamster would suffer pretty badly
after that if nothing is done. I'll get an extra patch out for that,
with --no-sync and not --nosync by the way.
--
Michael

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