On 11/8/23 06:29, Rahat Agivetova wrote: > Hi All, > > We are planning to upgrade the operating system from Centos 7 on Primary > and Standby PostgreSQL nodes that use streaming replication to RHEL 8. > What is the recommended order to upgrade OS from Centos 7 to RHEL 8? > Standby first, then Primary? Can there be a small time gap between the > upgrades or not?
libc change means possible collation change. That means I'd do them both at the same time, then rebuild any indices with TEXT, CHAR or VARCHAR fields.
-- Born in Arizona, moved to Babylonia.
See the following wiki page for more information on the collation change that Ron is referring to