On Wed, Aug 7, 2024 at 1:06 PM Dirschel, Steve < steve.dirsc...@thomsonreuters.com> wrote:
> I’ve found multiple postings out there saying you can query > pg_stat_all_indexes and look at idx_scan to know if an index has been used > by queries. I want to be 100% sure I can rely on that table/column to know > if an index has never been used. > Also make sure you check pg_stat_all_indexes on your replicas as well. Each has their own independent idx_scan counters. So while your primary is not using a particular index, one or more of your replicas might be. Cheers, Greg
