| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Satoshi Nagayasu <snaga(at)uptime(dot)jp>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>, Michael Paquier <mpaquier(at)vmware(dot)com>, Abhijit Menon-Sen <ams(at)2ndQuadrant(dot)com> |
| Subject: | Re: pg_rewind in contrib |
| Date: | 2015-01-14 10:06:07 |
| Message-ID: | 20150114100607.GJ5245@awork2.anarazel.de |
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| Lists: | pgsql-hackers |
On 2015-01-14 10:53:40 +0100, Andres Freund wrote:
> On 2015-01-14 11:43:00 +0200, Heikki Linnakangas wrote:
> > I'm not thrilled about sprinkling fsync() calls everywhere that we touch
> > files. But I guess that would be the right thing to do. I'm planning to do
> > that as an add-on patch later, fixing also pg_basebackup and any other
> > utilities that need it.
>
> Yea, we really need to do this. We also need it in the server, right now
> there's a bunch of rather ugly corner cases where we rely on not fsynced
> files being present after e.g. two consecutive crashes. Abhijit has sent
> a patch.
explanation
http://archives.postgresql.org/message-id/20140918083148.GA17265%40alap3.anarazel.de
Abhijit's patch
http://www.postgresql.org/message-id/20141106122653.GA18963@toroid.org
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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