From: Gregory Stark <stark@enterprisedb.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Teodor Sigaev <teodor@sigaev.ru>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Pgsql Hackers <pgsql-hackers@postgresql.org>
Subject: Re: [PATCHES] GIN improvements
Date: Thu, 27 Nov 2008 22:14:59 +0000
Message-ID: <87iqq8n7do.fsf@oxford.xeocode.com> (raw)
In-Reply-To: <492F04D9.5070404@enterprisedb.com>
References: <483FD205.4090904@sigaev.ru>
<486BC501.6060605@sigaev.ru>
<27880.1215810535@sss.pgh.pa.us>
<487A6E0C.3090600@sigaev.ru>
<8993.1216843701@sss.pgh.pa.us>
<4888A594.6010102@sigaev.ru>
<490B07BA.6030109@sigaev.ru>
<492F04D9.5070404@enterprisedb.com>
Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> I think we need a hard limit on the number of list pages, before we can
> consider accepting this patch. After the limit is full, the next inserter can
> flush the list, inserting the tuples in the list into the tree, or just fall
> back to regular, slow, inserts.
I do like the idea of having the work fall to vacuum though. Perhaps we need
some way for autovacuum to ask an access method what shape an index is in and
whether it needs vacuuming? Or more likely a separate command from vacuum that
specifically cleans up an index.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's On-Demand Production Tuning
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To: pgsql-patches@postgresql.org
Cc: stark@enterprisedb.com, heikki.linnakangas@enterprisedb.com, teodor@sigaev.ru, tgl@sss.pgh.pa.us, pgsql-hackers@postgresql.org
Subject: Re: [PATCHES] GIN improvements
In-Reply-To: <87iqq8n7do.fsf@oxford.xeocode.com>
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