On Mon, 11 Sept 2023 at 18:16, Laurenz Albe <laurenz.albe@xxxxxxxxxxx> wrote: > Also, there are quite a lot of indexes on "test_db_bench_1". On a test database, drop some > indexes and see if that makes a difference. Yeah, I count 3 that either have the key columns as some prefix of another index or are just a duplicate of some other index. Getting rid of those 3 will save some time in create_index_paths(). David