| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Cross OS version streaming replication |
| Date: | 2025-12-03 10:11:54 |
| Message-ID: | 9f346a8d50f09d3ec73697012b3b763064d8f639.camel@cybertec.at |
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| Lists: | pgsql-admin |
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
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