RE: Found issues related with logical replication and 2PC

Hayato Kuroda (Fujitsu) <kuroda.hayato@fujitsu.com>

From: "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>
To: 'Amit Kapila' <amit.kapila16@gmail.com>
Cc: "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Date: 2024-08-08T05:09:25Z
Lists: pgsql-hackers
Dear Amit,

> Can we start a separate thread to issue 2? I understand that this one
> is also related to two_phase but since both are different issues it is
> better to discuss in separate threads. This will also help us refer to
> the discussion in future if required.

You are right, we should discuss one topic per thread. Forked: [1].

> BTW, why did the 0002 patch change the below code:
> --- a/src/include/replication/worker_internal.h
> +++ b/src/include/replication/worker_internal.h
> @@ -164,7 +164,8 @@ typedef struct ParallelApplyWorkerShared
> 
>   /*
>   * XactLastCommitEnd or XactLastPrepareEnd from the parallel apply worker.
> - * This is required by the leader worker so it can update the lsn_mappings.
> + * This is required by the leader worker so it can update the
> + * lsn_mappings.
>   */
>   XLogRecPtr last_commit_end;
>

Opps. Fixed version is posted in [1].

[1]: https://www.postgresql.org/message-id/TYAPR01MB5692FAC23BE40C69DA8ED4AFF5B92%40TYAPR01MB5692.jpnprd01.prod.outlook.com

Best regards,
Hayato Kuroda
FUJITSU LIMITED

Commits

  1. Change the misleading local end_lsn for prepared transactions.