From: Tom Lane <tgl@sss.pgh.pa.us>
To: Gael Le Mignot <gael@pilotsystems.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: Periodically slow inserts
Date: Thu, 21 Oct 2010 12:50:00 -0400
Message-ID: <25979.1287679800@sss.pgh.pa.us> (raw)
In-Reply-To: <plop87mxq7r0ks.fsf@aoskar.kilobug.org>
References: <plop8762wvspfb.fsf@aoskar.kilobug.org>
<23677.1287672948@sss.pgh.pa.us>
<plop87mxq7r0ks.fsf@aoskar.kilobug.org>
Gael Le Mignot <gael@pilotsystems.net> writes:
> Thu, 21 Oct 2010 10:55:48 -0400, you wrote:
>>> I think this may be caused by GIN's habit of queuing index insertions
>>> until it's accumulated a reasonable-size batch:
>>> http://www.postgresql.org/docs/9.0/static/gin-implementation.html#GIN-FAST-UPDATE> So a big work_mem and a regular vacuum would do the tick, I think. Does
> auto_vacuum triggers the gin index vacuuming too, or does it require a
> manual vacuum ?
Autovacuum will handle it too.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, gael@pilotsystems.net
Subject: Re: Periodically slow inserts
In-Reply-To: <25979.1287679800@sss.pgh.pa.us>
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