Paul Foerster <paul(dot)foerster(at)gmail(dot)com> writes:
> we have SLES 15.5 which has glibc 2.31. Our admin told us that he's about to install the SLES 15.6 update which contains glibc 2.38.
> I have built our PostgreSQL software from source on SLES 15.5, because we have some special requirements which the packages cannot fulfill. So I have questions:
> 1) Do I have to build it again on 15.6?
No, I wouldn't expect that to be necessary.
> 2) Does the glibc update have any impact?
Maybe. We don't really track glibc changes, so I can't say for sure,
but it might be advisable to reindex indexes on string columns.
regards, tom lane