On Fri, Oct 13, 2023 at 2:19 PM Robert Haas wrote:
> On Thu, Oct 12, 2023 at 7:09 PM Michael Paquier wrote:
> > HaveVirtualXIDsDelayingChkpt() does immediately a LWLockAcquire()
> > which would itself report a wait event for ProcArrayLock, overwriting
> > this new one, no?
>
> Ah, right: the wait
On Thu, Oct 12, 2023 at 7:09 PM Michael Paquier wrote:
> On Thu, Oct 12, 2023 at 01:32:29PM -0400, Robert Haas wrote:
> > IPC seems right to me. Yeah, a timeout is being used, but as you say,
> > that's an implementation detail.
> >
> > +1 for the idea, too.
>
> Agreed that timeout makes little se
On Thu, Oct 12, 2023 at 01:32:29PM -0400, Robert Haas wrote:
> IPC seems right to me. Yeah, a timeout is being used, but as you say,
> that's an implementation detail.
>
> +1 for the idea, too.
Agreed that timeout makes little sense in this context, and IPC looks
correct.
+pgstat_report_
On Wed, Oct 11, 2023 at 9:13 PM Thomas Munro wrote:
> You can't tell if your checkpointer is spending a lot of time waiting
> around for flags in delayChkptFlags to clear. Trivial patch to add
> that. I've managed to see it a few times when checkpointing
> repeatedly with a heavy pgbench workloa
