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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 Fujii Masao
Subject Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested.
Date
Msg-id 0d8e5aef-58f5-4cb3-ca46-e00390c12827@oss.nttdata.com
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In response to Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested.  (Andres Freund <andres@anarazel.de>)
Responses Re: make the stats collector shutdown without writing the statsfiles if the immediate shutdown is requested.
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On 2021/03/24 3:51, Andres Freund wrote:
> 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.

This is good news!

Regards,

-- 
Fujii Masao
Advanced Computing Technology Center
Research and Development Headquarters
NTT DATA CORPORATION

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