Re: WAL Log Size

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От Erik Jones
Тема Re: WAL Log Size
Дата
Msg-id 965CB986-7659-49B6-BA5F-6C0AB67A9C3F@myemma.com
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Ответ на Re: WAL Log Size  (Alan Hodgson <ahodgson@simkin.ca>)
Ответы Re: WAL Log Size
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On Feb 28, 2008, at 12:51 PM, Alan Hodgson wrote:

> On Thursday 28 February 2008, John Evans <admin@kilnar.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

DBA | Emma®
erik@myemma.com
800.595.4401 or 615.292.5888
615.292.0777 (fax)

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