Re: backend type in log_line_prefix?

Fujii Masao <masao.fujii@oss.nttdata.com>

From: Fujii Masao <masao.fujii@oss.nttdata.com>

To: Julien Rouhaud <rjuju123@gmail.com>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

Cc: pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2020-02-13T09:43:32Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Add backend type to csvlog and optionally log_line_prefix
- 70a7b4776be4 13.0 landed
Remove am_syslogger global variable
- d90bd24391fd 13.0 landed
Unify several ways to tracking backend type
- 8e8a0becb335 13.0 landed
Refactor ps_status.c API
- bf68b79e50e3 13.0 landed
Add background worker type
- 5373bc2a0867 11.0 cited


On 2020/02/13 18:14, Julien Rouhaud wrote:
> On Thu, Feb 13, 2020 at 09:56:38AM +0100, Peter Eisentraut wrote:
>> Attached is a demo patch that adds a placeholder %b for log_line_prefix (not
>> in the default setting) that contains the backend type, the same that you
>> see in pg_stat_activity and in the ps status.  I would have found this
>> occasionally useful when analyzing logs, especially if you have a lot of
>> background workers active.  Thoughts?

If we do this, backend type should be also included in csvlog?

Regarding the patch, postgresql.conf.sample needs to be updated.

Regards,

-- 
Fujii Masao
NTT DATA CORPORATION
Advanced Platform Technology Group
Research and Development Headquarters