Re: [HACKERS] vacuum timings

From: Vadim Mikheev <vadim(at)krs(dot)ru>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: [HACKERS] vacuum timings
Date: 2000-01-21 06:26:33
Message-ID: 3887FC19.80305217@krs.ru
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Bruce Momjian wrote:
>
> I loaded 10,000,000 rows into CREATE TABLE test (x INTEGER); Table is
> 400MB and index is 160MB.
>
> With index on the single in4 column, I got:
> 78 seconds for a vacuum
> 121 seconds for vacuum after deleting a single row
> 662 seconds for vacuum after deleting the entire table
>
> With no index, I got:
> 43 seconds for a vacuum
> 43 seconds for vacuum after deleting a single row
> 43 seconds for vacuum after deleting the entire table

Wi/wo -F ?

Vadim

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