Re: Need help with autovacuuming error.

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: "S(dot) Horio" <fory(at)twinsun(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Need help with autovacuuming error.
Date: 2008-02-07 14:33:12
Message-ID: 20080207143312.GE26934@alvh.no-ip.org
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S. Horio wrote:

> We are investigating the following error:
>
> ERROR: XX000: xlog flush request 1/50B823D8 is not satisfied --- flushed only to 1/50A711B0
>
> OS : Windows XP SP2
> Version : PostgreSQL8.1.4

Please upgrade to a supported version, which for Windows means either
8.2.6 or 8.3.0.

In any case, the actual problem seems to be here:

> (*1) 2008-02-05 12:37:15 3240 ERROR: XX000: xlog flush request 1/50B823D8 is not satisfied --- flushed only to 1/50A711B0
> 2008-02-05 12:37:15 3240 CONTEXT: writing block 588 of relation 1663/18096/27221

which means there is some problem writing that particular block of that
particular file. I don't think autovacuum has any direct connection to
this problem.

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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