Not using PostGIS On Thursday, October 14, 2021, Paul Friedman < paul.fried...@streetlightdata.com> wrote:
> Are you using PostGIS? > > If so, there is an issue with TOAST table locking having these symptoms. > > > ---Paul > > > On Wed, Oct 13, 2021 at 11:15 AM MichaelDBA <michael...@sqlexec.com> > wrote: > >> 1.Is there a way to tune the lock contention ? >> 2.Is any recommendations to tune/reduce the lock contention via postgres.conf >> >> I think you'd want to find *which* LW locks are being waited on, to see if >> it's >> something that can be easily tuned. >> >> You can check pg_stat_activity, or maybe create a cronjob to record its >> content >> for later analysis. >> >> >> Hello, >> >> Also turn on log_lock_waits so you can evaluate the actual SQL causing >> the problems in the PG log files. Thinking ahead, you may want to consider >> if using advisory locks from the application side of things might be >> helpful to manage locks in a more pessimistic way. Also, join with >> pg_locks table to find out the specific resources that are in contention. >> >> Regards, >> Michael Vitale >> >> >>
