Re: logical replication and PANIC during shutdown checkpoint in publisher

From: Andres Freund <andres(at)anarazel(dot)de>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: logical replication and PANIC during shutdown checkpoint in publisher
Date: 2017-06-06 02:28:02
Message-ID: 20170606022802.cjfbfct5s7mbh54t@alap3.anarazel.de
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Hi,

On 2017-06-05 15:30:38 +0900, Michael Paquier wrote:
> + * This will trigger walsenders to send the remaining WAL, prevent them from
> + * accepting further commands. After that they'll wait till the last WAL is
> + * written.
> s/prevent/preventing/?
> I would rephrase the last sentence a bit:
> "After that each WAL sender will wait until the end-of-checkpoint
> record has been flushed on the receiver side."

I didn't like your proposed phrasing much, but I aggree that what I had
wasn't good either. Tried to improve it.

Thanks for the review.

I pushed this series, this should resolve the issue in this thread
entirely, and should fix a good chunk of the issues in the 'walsender
and parallelism' thread.

Greetings,

Andres Freund

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