Re: Replication status in logical replication
Masahiko Sawada <sawada.mshk@gmail.com>
From: Masahiko Sawada <sawada.mshk@gmail.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2017-05-19T02:33:48Z
Lists: pgsql-hackers
On Wed, Apr 12, 2017 at 5:31 AM, Simon Riggs <simon@2ndquadrant.com> wrote: > On 22 March 2017 at 02:50, Masahiko Sawada <sawada.mshk@gmail.com> wrote: > >> When using logical replication, I ran into a situation where the >> pg_stat_replication.state is not updated until any wal record is sent >> after started up. For example, I set up logical replication with 2 >> subscriber and restart the publisher server, but I see the following >> status for a while (maybe until autovacuum run). > ... > >> Attached patch fixes this behavior by updating WalSndCaughtUp before >> trying to read next WAL if already caught up. > > Looks like a bug that we should fix in PG10, with backpatch to 9.4 (or > as far as it goes). > > Objections to commit? > Seems we still have this issue. Any update or comment on this? Barring any objections, I'll add this to the open item so it doesn't get missed. Regards, -- Masahiko Sawada NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center
Commits
-
Make logical WAL sender report streaming state appropriately
- 98e2c298c2f5 9.4.19 landed
- 19648375cc30 9.5.14 landed
- d5eb1fe0dc71 9.6.10 landed
- 11abea37d5d1 10.5 landed
- 0414ac6a1eb2 11.0 landed
- 9a7b7adc130a 12.0 landed