Tuning for warm standby

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От Kevin Kempter
Тема Tuning for warm standby
Дата
Msg-id 200709271142.07130.kevin@kevinkempterllc.com
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Ответы Re: Tuning for warm standby  ("Merlin Moncure" <mmoncure@gmail.com>)
Список pgsql-performance
Hi All;

I'm preparing to fire up WAL archiving on 8 production servers We will follow
up with implementing a warm standby scenariio.

Does anyone have any thoughts per how to maximize performance, yet minimize
the potential for data loss assuming we were not able to retrieve the final
un-archived WAL segment from the original pg_xlog dir in the case of a crash?

Specifically, I wonder if there are some general rules of thought per tuning
wal_buffers,  checkpoint_segments and friends...

Currently all servers have the following settings:
wal_buffers = 24
checkpoint_segments = 32


Thanks in advance

/Kevin


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