Re: 8.2 Autovacuum BUG ?

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Pavan Teja <pavan(dot)postgresdba(at)gmail(dot)com>
Cc: Andreas Kretschmer <andreas(at)a-kretschmer(dot)de>, pgsql-performance(at)lists(dot)postgresql(dot)org
Subject: Re: 8.2 Autovacuum BUG ?
Date: 2018-01-23 14:45:14
Message-ID: CAKFQuwaPT1VuD1UyyHAOhk=nWj2mHUmHgz2XZtXKfwcVpXqGvQ@mail.gmail.com
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On Tue, Jan 23, 2018 at 7:39 AM, Pavan Teja <pavan(dot)postgresdba(at)gmail(dot)com>
wrote:

> " checkpoints are frequently occurring (1second apart). Consider
> increasing checkpoint_segements parameter".
>

The custom on these lists is to bottom or inline post.​

​This tends to appear when someone decide to write a load script of the
form:

INSERT INTO tbl (cols) VALUES (...);
INSERT INTO ​tbl (cols) VALUES (...);
[repeat many, many, times]

(note the lack of BEGIN/END, single transaction help mitigate it somewhat)

David J.

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