Re: Toast space grows

From: Richard Huxton <dev(at)archonet(dot)com>
To: Pavel Rotek <pavel(dot)rotek(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Toast space grows
Date: 2008-03-07 09:13:06
Message-ID: 47D10722.4080508@archonet.com
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Pavel Rotek wrote:
> Hello,
>
> i have problem with following table...
>
> create table dataaction (
> id INT4 not null,
> log text,
> primary key (id)
> );
>
> It is the table for storing results of long running jobs. The log attribute
> takes approximately 5MB for one row (there is about 300 rows). My problem
> is, that table dataaction takes after restoring about 1,5G, but in few days
> grows to 79G(Toast space)...

1. What is happening with this table - just inserts, lots of updates?

2. What does SELECT sum(length(log)) FROM dataaction; show?

> Vacuum on the table doesn't finish.

A plain vacuum doesn't finish, or vacuum full doesn't finish?

--
Richard Huxton
Archonet Ltd

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