Horton

Re: Replication slot stats misgivings

vignesh C <vignesh21@gmail.com>

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From: vignesh C <vignesh21@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Masahiko Sawada <sawada.mshk@gmail.com>, Andres Freund <andres@anarazel.de>, PostgreSQL-development <pgsql-hackers@postgresql.org>, Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Date: 2021-04-18T02:06:28Z
Lists: pgsql-hackers 
On Sun, Apr 18, 2021 at 3:51 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> I wrote:
> > The buildfarm suggests that this isn't entirely stable:
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=anole&dt=2021-04-17%2011%3A14%3A49
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=bichir&dt=2021-04-17%2016%3A30%3A15
>
> Oh, I missed that hyrax is showing the identical symptom:
>
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=hyrax&dt=2021-04-16%2007%3A05%3A44
>
> So you might try CLOBBER_CACHE_ALWAYS to see if you can reproduce it
> that way.
>

I will try to check and identify why it is failing.

Regards,
Vignesh

Commits

  1. Doc: Update logical decoding stats information.

  2. Fix tests for replication slots stats.

  3. Update replication statistics after every stream/spill.

  4. Fix the computation of slot stats for 'total_bytes'.

  5. Another try to fix the test case added by commit f5fc2f5b23.

  6. Use HTAB for replication slot statistics.

  7. Fix test case added by commit f5fc2f5b23.

  8. Add information of total data processed to replication slot stats.

  9. Use NameData datatype for slotname in stats.