On Mon, 2026-02-16 at 18:11 +0530, Raj wrote:
> We are having Rhel 8.10 and want to upgrade to 9.7.
>
> We are running postgresql 15.10 where Logical replication is running.
>
> What are the impact of OS upgrade? What is recommended? Is in place upgrade recommended? Can replication break?
> What are the things we need to be conscious about ?
If you disable logical replication before the upgrade, you can resume it
afterwards.
There is the risk that changes in the C library collation can corrupt
some indexes; see https://wiki.postgresql.org/wiki/Locale_data_changes
and https://www.cybertec-postgresql.com/en/operating-system-upgrade-corrupts-indexes/
Yours,
Laurenz Albe
