On 7/8/20 11:41 PM, Konstantin Knizhnik wrote:
>
> So looks like NUM_LOCK_PARTITIONS and MAXNUMMESSAGES constants have
> to be replaced with GUCs.
> To avoid division, we can specify log2 of this values, so shift can be
> used instead.
> And MAX_SIMUL_LWLOCKS should be defined as NUM_LOCK_PARTITIONS +
> NUM_INDIVIDUAL_LWLOCKS + NAMED_LWLOCK_RESERVE.
>
Because I was involved in this particular case and don`t want it to
became a habit, I`m volunteering to test whatever patch this discussion
will produce.
--
Grigory Smolkin
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company