Re: Postgres 12 -> 13 any need to re-index?

On 2/9/21 12:13 PM, Wells Oliver wrote:
> Do you mean Ubuntu distro? I did not. My database collation is also still
> en_US.UTF-8, but everything has ground to a halt after the upgrade.

Did you run an ANALYZE after the conversion?

>
> On Tue, Feb 9, 2021 at 10:07 AM Ron <ronljohnsonjr(at)gmail(dot)com
> <mailto:ronljohnsonjr(at)gmail(dot)com>> wrote:
>
> On 2/9/21 12:00 PM, Wells Oliver wrote:
> > Hey guys, I just upgraded a DB from 12 to 13. In testing this seemed
> to go
> > well, but it seems like most of my queries are not using the indexes
> after
> > the upgrade, so everything is quite so.
> >
> > Is there a general need to REINDEX after upgrading to 13, or might
> there
> > be another issue? The configuration parameters are the same as they
> were
> > persisted via pg_upgradecluster.
>
> Did you also change or upgrade the distro, or modify the collation?
> (That's
> an automatic need to rebuild indices.)
>

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