From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Neil Conway <nconway(at)klamath(dot)dyndns(dot)org>, sthomas(at)townnews(dot)com, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Contrib reindex script: |
Date: | 2002-06-13 19:51:02 |
Message-ID: | 200206131951.g5DJp2L26900@candle.pha.pa.us |
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Lists: | pgsql-general |
Tom Lane wrote:
> Neil Conway <nconway(at)klamath(dot)dyndns(dot)org> writes:
> > Also, could we enhance REINDEX to not require an exclusive table lock?
> > Without looking at the code, I would think that we could at least allow
> > for SELECTs (using seqscans or other indexes) while a REINDEX is running.
>
> Not unless you see a way to prevent those SELECTs from trying to use the
> index...
Well, we should recreate the index as a separate file, then switch over
to the new file use relfilenode.
> Personally I think putting development effort into REINDEX is a waste of
> manpower. Study how to make btree collapse out empty pages, instead.
Agreed, but what plans do we have to fix it? I have heard no proposals,
and it has been a known problem for years.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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