Re: Too frequent checkpoints ?
От | Joshua D. Drake |
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Тема | Re: Too frequent checkpoints ? |
Дата | |
Msg-id | 511523C7.50309@commandprompt.com обсуждение исходный текст |
Ответ на | Too frequent checkpoints ? (Pavan Deolasee <pavan.deolasee@gmail.com>) |
Список | pgsql-hackers |
On 02/08/2013 02:37 AM, Pavan Deolasee wrote: > I wonder if this is all expected. The database is getting ZERO > activity. There are no connections open at this time. The checkpoints > are happening at every 30 seconds and new WAL files are being created, > AFAIK because the old ones are getting archived. Can't we be smart > about not archiving new files if we did not generate any new WAL since > the last archive ? It is because you have it set up so that the longest time you can go without checkpoints is 30 seconds. So no matter what, if you have 1000 checkpoint segments you are still going to checkpoint ever 30 seconds. JD -- Command Prompt, Inc. - http://www.commandprompt.com/ PostgreSQL Support, Training, Professional Services and Development High Availability, Oracle Conversion, Postgres-XC @cmdpromptinc - 509-416-6579
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