Thank you :) I'll try restarting postgresql during our next maintenance
window and report back.
--cnemelka


On Mon, Sep 9, 2019 at 3:08 PM Tom Lane <t...@sss.pgh.pa.us> wrote:

> "Daniel Verite" <dan...@manitou-mail.org> writes:
> > I can reproduce this by creating a new locale *after* starting
> > PostgreSQL and trying to use it before a restart.
>
> That is interesting.  I think it must mean that glibc's setlocale()
> and newlocale() maintain some kind of internal cache about available
> locales ... and there's no logic to flush it if /usr/share/locale
> changes.  The individual backends are probably inheriting the cache
> state via fork from the postmaster.
>
>                         regards, tom lane
>

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