Hello On Tue, 2018-08-28 at 08:32 +0200, Johann Spies wrote: > I see this in /var/log/postgresql/postgresql-10-main.log: > > postgres postgres@template1 ERROR: could not open directory > "pg_xlog": No such file or directory > > postgres postgres@template1 STATEMENT: SELECT count(*) AS segments > FROM pg_ls_dir('pg_xlog') t(fn) \ > WHERE fn ~ '^[0-9A-Z]{24}$' > > Where does this come from? > > Regards > Johann > -- > Because experiencing your loyal love is better than life itself, > my lips will praise you. (Psalm 63:3) > There is no directory pg_xlog in V10. You might have some incompatible software somewhere or an application is running this query. Why does it say "postgres@template1? Cheers, Rob