Re: LwLocks contention

2022-04-25 Thread Robert Treat
On Mon, Apr 25, 2022 at 10:33 AM Michael Lewis wrote: > > On Thu, Apr 21, 2022 at 6:17 AM Chris Bisnett wrote: >> >> We're working to update our application so that we can >> take advantage of the pruning. Are you also using native partitioning? > > > No partitioned tables at all, but we do have

Re: LwLocks contention

2022-04-25 Thread Michael Lewis
On Thu, Apr 21, 2022 at 6:17 AM Chris Bisnett wrote: > We're working to update our application so that we can > take advantage of the pruning. Are you also using native partitioning? > No partitioned tables at all, but we do have 1800 tables and some very complex functions, some trigger insanity

Re: LwLocks contention

2022-04-21 Thread Chris Bisnett
> We are occasionally seeing heavy CPU contention with hundreds of processes > active but waiting on a lightweight lock - usually lock manager or buffer > mapping it seems. This is happening with VMs configured with about 64 CPUs, > 350GBs ram, and while we would typically only have 30-100 concu