Re: pg_log_backend_memory_contexts() and log level

From: Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
To: Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_log_backend_memory_contexts() and log level
Date: 2022-01-26 05:16:22
Message-ID: CALj2ACXSuCiEAXqgk0CzbPwKghB5UBrR+YhPZfgjYtGf2mMtYQ@mail.gmail.com
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On Wed, Jan 26, 2022 at 9:48 AM Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> wrote:
>
> Hi,
>
> pg_log_backend_memory_contexts() should be designed not to send the messages about the memory contexts to the client regardless of client_min_messages. But I found that the message "logging memory contexts of PID %d" can be sent to the client because it's ereport()'d with LOG level instead of LOG_SERVER_ONLY. Is this a bug, and shouldn't we use LOG_SERVER_ONLY level to log that message? Patch attached.

+1. The patch LGTM.

The same applies for the on-going patch [1] for pg_log_backtrace, let
me quickly send the updated patch there as well. The pg_log_query_plan
on-going patch [2], does the right thing.

[1] - https://www.postgresql.org/message-id/CALDaNm3tbc1OKvSKvD5SfmEj66M_sWDPCgDvzFtS9gxRov8jRQ%40mail.gmail.com
[2] - https://www.postgresql.org/message-id/fb6360e4c0ffbdd0a6698b92bb2617e2%40oss.nttdata.com

Regards,
Bharath Rupireddy.

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