Re: Hi- How frequently Postgres Poll for trigger file

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От Heikki Linnakangas
Тема Re: Hi- How frequently Postgres Poll for trigger file
Дата
Msg-id 4CF69AE8.7080608@enterprisedb.com
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Ответ на Re: Hi- How frequently Postgres Poll for trigger file  (aaliya zarrin <aaliya.zarrin@gmail.com>)
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On 01.12.2010 19:23, aaliya zarrin wrote:
> Thanks for quick response..
> Can I change this 5 second time?
> I have seen the postgres code as well.

You can, if you don't mind changing the sources.

> What is the functionality of WaitLatch() function. I could not understand
> completely.

The recoveryWakupLatch latch allows the startup process to wake up 
immediately when new WAL arrives via streaming replication, without 
waiting for the whole five seconds to elapse.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com

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