Hi,

On Fri, Jun 28, 2024 at 08:07:39PM +0000, Imseih (AWS), Sami wrote:
> > 46ebdfe164 will interrupt the leaders sleep every time a parallel workers 
> > reports
> > progress, and we currently don't handle interrupts by restarting the sleep 
> > with
> > the remaining time. nanosleep does provide the ability to restart with the 
> > remaining
> > time [1], but I don't think it's worth the effort to ensure more accurate
> > vacuum delays for the leader process. 
> 
> After discussing offline with Bertrand, it may be better to have 
> a solution to deal with the interrupts and allows the sleep to continue to
> completion. This will simplify this patch and will be useful 
> for other cases in which parallel workers need to send a message
> to the leader. This is the thread [1] for that discussion.
> 
> [1] 
> https://www.postgresql.org/message-id/01000190606e3d2a-116ead16-84d2-4449-8d18-5053da66b1f4-000000%40email.amazonses.com
> 

Yeah, I think it would make sense to put this thread on hold until we know more
about [1] (you mentioned above) outcome.

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com


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