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Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested. - Mailing list pgsql-hackers

From Andres Freund
Subject Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested.
Date
Msg-id 20210323185102.xlki3t7ao3mogstm@alap3.anarazel.de
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In response to Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested.  (Fujii Masao <masao.fujii@oss.nttdata.com>)
Responses Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested.
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Hi,

On 2021-03-23 15:50:46 +0900, Fujii Masao wrote:
> This fact makes me wonder that if we collect the statistics about WAL writing
> from walreceiver as we discussed in other thread, the stats collector should
> be invoked at more earlier stage. IIUC walreceiver can be invoked before
> PMSIGNAL_BEGIN_HOT_STANDBY is sent.

FWIW, in the shared memory stats patch the stats subsystem is
initialized early on by the startup process.

Greetings,

Andres Freund

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