Re: "Multiple table synchronizations are processed serially" still happens
| От | Guillaume Lelarge |
|---|---|
| Тема | Re: "Multiple table synchronizations are processed serially" still happens |
| Дата | |
| Msg-id | CAECtzeU6zoVs-b0KkWj4QJgn=iV-nWXHBRdWwjLVwBgByCbJ=A@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: "Multiple table synchronizations are processed serially" still happens (Guillaume Lelarge <guillaume@lelarge.info>) |
| Список | pgsql-hackers |
Le mer. 28 avr. 2021 à 11:37, Guillaume Lelarge <guillaume@lelarge.info> a écrit :
Le mer. 28 avr. 2021 à 11:12, Guillaume Lelarge <guillaume@lelarge.info> a écrit :Hi,One of my customers has an issue with logical replication. As $SUBJECT says, multiple table synchronization happens serially. To be honest, it doesn't do this every time. It happens when the tables are big enough.This issue was already described on this thread (from 2017): https://www.postgresql.org/message-id/flat/CAD21AoC2KJdavS7MFffmSsRc1dn3Vg_0xmuc=UpBrZ-_MUxh-Q@mail.gmail.comThis thread was closed by a commit (https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6c2003f8a1bbc7c192a2e83ec51581c018aa162f) which apparently fixed the issue for the OP.Attached is a small test case where it still happens for me on 12.6, 11.11, and 10.16. I can't make it happen on 13.2. I don't know why. It may imply bigger tables for 13.2, but why? I simply don't know.Actually, it also happens on 13.2.
Ping? :)
It's been two weeks and no answer as far as I can tell. I may have missed something on this issue but I don't see what. It's not a big deal, but I would rather understand what's going on.
Thanks.
--
Guillaume.
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