| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Michael Paesold <mpaesold(at)gmx(dot)at>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Autovacuum loose ends |
| Date: | 2005-07-30 14:55:33 |
| Message-ID: | 26777.1122735333@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>>> I think you should at least add an autovacuum specific value for
>>> "vacuum_cost_delay" because it turns cost-based vacuum delay on or off.
> I am thinking we should move ahead with what we have now, suggest the
> work-arounds, and thensee what use-cases we have for it for later
> releases.
I think it's absolutely unquestionable that there is a use-case for
running autovac with different vacuum-delay settings than you would
want to apply to manually issued vacuums. We don't need to wait for
field experience on that one; we already have it with the contrib
version.
regards, tom lane
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