Re: Failure of subscription tests with topminnow

On Thu, Aug 26, 2021 at 9:21 AM Ajin Cherian <itsajin@gmail.com> wrote:
>
> On Thu, Aug 26, 2021 at 1:06 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> >
> > You have a point but if we see the below logs, it seems the second
> > walsender (#step6) seemed to exited before the first walsender
> > (#step4).
> >
> > 2021-08-15 18:44:38.041 CEST [16475:10] tap_sub LOG:  disconnection:
> > session time: 0:00:00.036 user=nm database=postgres host=[local]
> > 2021-08-15 18:44:38.043 CEST [16336:14] tap_sub LOG:  disconnection:
> > session time: 0:00:06.367 user=nm database=postgres host=[local]
> >
> > Isn't it possible that pid is cleared in the other order due to which
> > we are seeing this problem?
>
> If the pid is cleared in the other order, wouldn't the query [1] return a false?
>
> [1] - " SELECT pid != 16336 FROM pg_stat_replication WHERE
> application_name =  'tap_sub';"
>

I think it should return true because pid for 16336 is cleared first
and the remaining one will be 16475.

-- 
With Regards,
Amit Kapila.