| From: | Erik Rijkers <er(at)xs4all(dot)nl> |
|---|---|
| To: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | logical replication seems broken |
| Date: | 2021-02-12 12:33:57 |
| Message-ID: | 1295168140.139428.1613133237154@webmailclassic.xs4all.nl |
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| Thread: | |
| Lists: | pgsql-hackers |
Hello,
I am seeing errors in replication in a test program that I've been running for years with very little change (since 2017, really [1]).
The symptom:
HEAD-replication fails (most of the time) when cascading 3 instances (master+2 replicas).
HEAD-replication works with 2 instances (master+replica).
I have also compiled a server on top of 4ad31bb2ef25 (avoiding some recent changes) - and this server runs the same test program without failure; so I think the culprit might be somewhere in those changes. Or (always possible) there might be something my testing does wrong - but then again, I do this test a few times every week, and it never fails.
This weekend I can dig into it some more (make a self-sufficient example) but I thought I'd mention it already. perhaps one of you see the light immediately...
Erik Rijkers
[1] https://www.postgresql.org/message-id/flat/3897361c7010c4ac03f358173adbcd60%40xs4all.nl
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