From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
---|---|
To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Replication status in logical replication |
Date: | 2017-05-19 02:33:48 |
Message-ID: | CAD21AoAKOZdTG45Lf-hd9AyDhRcwRcuOawF17MwXXqAp-bvJvg@mail.gmail.com |
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Lists: | pgsql-hackers |
On Wed, Apr 12, 2017 at 5:31 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On 22 March 2017 at 02:50, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)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
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