Re: what the initial 3 daemon of postmaster process do?

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От Tom Lane
Тема Re: what the initial 3 daemon of postmaster process do?
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Msg-id 1569.1079973510@sss.pgh.pa.us
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Ответ на what the initial 3 daemon of postmaster process do?  (Dohyung Kim <dh2002.kim@samsung.com>)
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Dohyung Kim <dh2002.kim@samsung.com> writes:
> 1. why 3 daemon processes start in its starting point
> 2. what the roles of each 3 daemon processes are

Postmaster, statistics collector, and statistics buffer process.

> 3. and how can I control the initial number of daemon process.

You can't (other than by choosing to disable statistics collection,
in which case the two stats processes won't run).

            regards, tom lane

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