| From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Petr Jelinek <petr(at)2ndquadrant(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Abhijit Menon-Sen <ams(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: 9.6 and fsync=off |
| Date: | 2016-04-27 15:04:37 |
| Message-ID: | CAMsr+YEy9zj2Nb_n8OFMAf2HpX-RVpb12sWYD2uakPy0Um9kag@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 27 April 2016 at 21:44, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Petr Jelinek <petr(at)2ndquadrant(dot)com> writes:
> > +1 (Abhijit's wording with data loss changed to data corruption)
>
> I'd suggest something like
>
> #fsync = on # flush data to disk for crash
> safety
> # (turning this off can cause
> # unrecoverable data corruption!)
>
>
Looks good.
The docs on fsync are already good, it's just a matter of making people
think twice and actually look at them.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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