Hi, On 2023-03-02 14:28:56 +0400, Pavel Borisov wrote: > 2. Heap updates with low tuple concurrency: > Prepare with pkeys (pgbench -d postgres -i -I dtGvp -s 300 --unlogged-tables) > Update 3*10^7 rows, 50 conns (pgbench postgres -f > ./update-only-account.sql -s 300 -P10 -M prepared -T 600 -j 5 -c 50) > > Result: Both patches and master are the same within a tolerance of > less than 0.7%.
What exactly does that mean? I would definitely not want to accept a 0.7% regression of the uncontended case to benefit the contended case here... Greetings, Andres Freund
