| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Magnus Hagander <magnus(at)hagander(dot)net> |
| Cc: | Oskari Saarenmaa <os(at)aiven(dot)io>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Don't include MMAP DSM's transient files in basebackup |
| Date: | 2016-07-07 17:52:55 |
| Message-ID: | 20160707175255.5jgyte72dszqjgu7@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2016-07-07 08:49:18 +0100, Magnus Hagander wrote:
> On Thursday, July 7, 2016, Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> > On 2016-07-06 16:46:53 +0300, Oskari Saarenmaa wrote:
> > > The files are not useful when restoring a backup and would be
> > automatically
> > > deleted on startup anyway. Also deleted an out-of-date comment in dsm.c.
> >
> > No arguments against the change. But I am wondering how you ran into
> > this - the mmap dsm backend really should pretty much never be used...
> >
> >
> Unfortunately I think that's still what happens by default if you use
> pg_upgradecluster on debian :(
Ugh. Sounds like that should better be fixed before 9.6. It'll make
parallel query seriously slower.
Andres
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