Re: pg_stat_statements temporary file

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От Tom Lane
Тема Re: pg_stat_statements temporary file
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Msg-id 21777.1337959168@sss.pgh.pa.us
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Ответ на Re: pg_stat_statements temporary file  (Andres Freund <andres@2ndquadrant.com>)
Ответы Re: pg_stat_statements temporary file  (Josh Berkus <josh@agliodbs.com>)
Re: pg_stat_statements temporary file  (Magnus Hagander <magnus@hagander.net>)
Re: pg_stat_statements temporary file  (Andres Freund <andres@2ndquadrant.com>)
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Andres Freund <andres@2ndquadrant.com> writes:
> On Friday, May 25, 2012 04:03:49 PM Peter Geoghegan wrote:
>> Where do you suggest the file be written to?

> One could argue stats_temp_directory would be the correct place.

No, that would be exactly the *wrong* place, because that directory can
be on a RAM disk.  We need to put this somewhere where it'll survive
a shutdown.

One could imagine creating a PGDATA subdirectory just for permanent (not
temp) stats files, but right at the moment that seems like overkill.
If we accumulate a few more similar files, I'd start to think it was
worth doing.
        regards, tom lane


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