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From: torikoshia <torikoshia@oss.nttdata.com>
To: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
Cc: vignesh C <vignesh21@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Craig Ringer <craig.ringer@enterprisedb.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: Printing backtrace of postgres processes
Date: Fri, 05 Mar 2021 18:47:52 +0900
Message-ID: <93324693b1ac21e4e1b7d4ed40ea3447@oss.nttdata.com> (raw)
In-Reply-To: <CALj2ACUJGmc_kj=rLn4PPH9XyGXP9gFkX5uZCbnRd4kQb67NKA@mail.gmail.com>
References: <20210115201011.noomcygirzge43ir@alap3.anarazel.de>
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	<979ee93ab2e5d7d51836ced0c38b445c@oss.nttdata.com>
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On 2021-03-04 21:55, Bharath Rupireddy wrote:
> On Mon, Mar 1, 2021 at 10:43 AM torikoshia <torikoshia@oss.nttdata.com> 
> wrote:
>> Since the current patch use BackendPidGetProc(), it does not
>> support this feature not only postmaster, logging, and
>> statistics but also checkpointer, background writer, and
>> walwriter.
>> 
>> And when I specify pid of these PostgreSQL processes, it
>> says "PID xxxx is not a PostgreSQL server process".
>> 
>> I think it may confuse users, so it might be worth
>> changing messages for those PostgreSQL processes.
>> AuxiliaryPidGetProc() may help to do it.
> 
> Exactly this was the doubt I got when I initially reviewed this patch.
> And I felt it should be discussed in a separate thread, you may want
> to update your thoughts there [1].
> 
> [1] -
> https://www.postgresql.org/message-id/CALj2ACW7Rr-R7mBcBQiXWPp%3DJV5chajjTdudLiF5YcpW-BmHhg%40mail.g...

Thanks!
I'm going to join the discussion there.


Regards,

--
Atsushi Torikoshi
NTT DATA CORPORATION





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  Cc: torikoshia@oss.nttdata.com, bharath.rupireddyforpostgres@gmail.com, vignesh21@gmail.com, andres@anarazel.de, tgl@sss.pgh.pa.us, craig.ringer@enterprisedb.com, robertmhaas@gmail.com, peter.eisentraut@enterprisedb.com, pgsql-hackers@lists.postgresql.org
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