Re: Is Recovery actually paused?

On Sun, Feb 7, 2021 at 6:44 PM Bharath Rupireddy
<bharath.rupireddyforpostgres@gmail.com> wrote:
>
> On Fri, Feb 5, 2021 at 10:14 AM Bharath Rupireddy
> <bharath.rupireddyforpostgres@gmail.com> wrote:
> > > We can not do that, basically, under one lock we need to check the
> > > state and set it to pause.  Because by the time you release the lock
> > > someone might set it to RECOVERY_NOT_PAUSED then you don't want to set
> > > it to RECOVERY_PAUSED.
> >
> > Got it. Thanks.
>
> Hi Dilip, I have one more question:
>
> +        /* test for recovery pause, if user has requested the pause */
> +        if (((volatile XLogCtlData *) XLogCtl)->recoveryPauseState ==
> +            RECOVERY_PAUSE_REQUESTED)
> +            recoveryPausesHere(false);
> +
> +        now = GetCurrentTimestamp();
> +
>
> Do we need  now = GetCurrentTimestamp(); here? Because, I see that
> whenever the variable now is used within the for loop in
> WaitForWALToBecomeAvailable, it's re-calculated anyways. It's being
> used within case XLOG_FROM_STREAM:
>
> Am I missing something?

Yeah, I don't see any reason for doing this, maybe it got copy pasted
by mistake.  Thanks for observing this.


-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com