On 2019-04-09 22:09, PG Bug reporting form wrote:
> PostgreSQL version: 9.6.3
This is very old. 9.6.12 is current.
> Behavior reported (Bug)
> We have a replication slot running for successfully but recently we
> encountered following error:
>
> error: got sequence entry 2 for toast chunk 30954054 instead of seq 0
> Temporary resolution
> After running the query 2-3 times, the error went away. But this causes
> the whole process to shut down.
>
> Is there any permanent resolution for the issue or is it resolved in the
> higher version of postgres?
I've not seen this particular error, but there are a number of fixes
related to possible TOAST corruption, so this might be related to that.
Upgrading would certainly be the first step before investigating further.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services