On Mon, Apr 19, 2021 at 7:50 PM Michael Paquier <mich...@paquier.xyz> wrote: > While testing wal_consistency_checking, I have noticed that by far > most of the runtime is spent within the regression test check_btree on > the series of three queries inserting each 100k tuples. This also > eats most of the run time of the test on HEAD. Could we for example > consider inserting less tuples with a lower fillfactor to reduce the > runtime of the test without impacting its coverage in a meaningful > way?
I don't see much point. wal_consistency_checking is intrinsically a tool that increases the volume of WAL by a large multiple. Plus you yourself only run it once a year. I run it much more often than once a year (maybe once every 2 - 3 months), but I haven't noticed this at all. -- Peter Geoghegan