| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: pg_stat_statements temporary file |
| Date: | 2012-05-25 15:19:28 |
| Message-ID: | 21777.1337959168@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)2ndquadrant(dot)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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