On Wed, 2025-12-03 at 14:24 +0530, Nikhil Shetty wrote:
> For upgrading the OS from CentOS7 to RHEL8, I plan to create replicas on RHEL8
> and then perform a database switchover. After switchover, I will rebuild the
> indexes affected by glibc change in REHL8. Is this a good option to perform OS
> upgrades with minimum downtime ?
Yes. Two remarks:
- Logical replication might be faster, but it way more complicated.
> Postgres version: 15.12
- I'd update to 15.15; you should always run the latest minor release to avoid bugs.
Yours,
Laurenz Albe