On Sun, Feb 24, 2019 at 1:02 PM Gunther <r...@gusw.net> wrote: > Thank you all for responding so far. > > David Rowley and Justin Pryzby suggested things about autovacuum. But I > don't think autovacuum has any helpful role here. I am explicitly doing a > vacuum on that table. And it doesn't help at all. Almost not at all. > If you do a vacuum verbose, what stats do you get back? What is the size of the index when the degradation starts to show, and immediately after a successful reindex?
Also, how is JobID assigned? Are they from a sequence, or some other method where they are always added to the end of the index's keyspace? When it starts to degrade, what is the EXPLAIN plan for the query? Cheers, Jeff