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Re: WAL Log Size

From: Erik Jones <erik(at)myemma(dot)com>
To: Alan Hodgson <ahodgson(at)simkin(dot)ca>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: WAL Log Size
Date: 2008-02-28 19:29:04
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
On Feb 28, 2008, at 12:51 PM, Alan Hodgson wrote:

> On Thursday 28 February 2008, John Evans <admin(at)kilnar(dot)com> wrote:
>>    I've heard that upgrading to 8.2 or 8.3 will allow me to setup a
>> timeout value for WAL log creation, but upgrading at this time is  
>> not an
>> option for various reasons.
>>    Any insight that you can provide will be greatly appreciated!
> Write a script that does "something" that results in 16MB of WAL  
> logging and
> run it whenever you want a rotation to occur. Inserting a few hundred
> thousand rows into an otherwise empty table should work. If it's not
> indexed it won't impact your server much, especially if your normal
> transaction volume is that low.

Or, even simpler:

SELECT pg_switch_xlog();

Erik Jones

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