Thomas Kellerer schrieb am 04.11.2022 um 10:19: > I can easily calculate the average block read time using > pg_stat_database and divide blk_read_time by blks_read. > > While there is a column blk_write_time, it seems that there is no > cummulative measure for the total number of blocks written. > Any ideas on how to get the equivalent of (blk_read_time / blks_read) for blk_write_time? I thought about using tup_updated + tup_inserted + tup_deleted because each tuple change would require at least one block written. However, a single block write could update multiple tuples so the result of that wouldn't be accurate (too low). Thanks Thomas
