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help / color / mirror / Atom feedFrom: Takamichi Osumi (Fujitsu) <[email protected]>
To: 'shveta malik' <[email protected]>
To: Peter Smith <[email protected]>
Cc: vignesh C <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Cc: Hayato Kuroda (Fujitsu) <[email protected]>
Cc: [email protected] <[email protected]>
Cc: [email protected] <[email protected]>
Cc: [email protected] <[email protected]>
Cc: [email protected] <[email protected]>
Cc: [email protected] <[email protected]>
Cc: [email protected] <[email protected]>
Cc: [email protected] <[email protected]>
Subject: RE: Time delayed LR (WAS Re: logical replication restrictions)
Date: Fri, 20 Jan 2023 18:46:53 +0000
Message-ID: <TYCPR01MB837363C75D9876B7C1529D06EDC59@TYCPR01MB8373.jpnprd01.prod.outlook.com> (raw)
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On Friday, January 20, 2023 5:54 PM shveta malik <[email protected]> wrote:
> On Fri, Jan 20, 2023 at 1:08 PM Peter Smith <[email protected]> wrote:
>
> > a) the message should say that this is the *remaining* time to left to wait.
> >
> > b) it might be convenient to know from the log what was the original
> > min_apply_delay value in the 1st place.
> >
> > For example, the logs might look something like this:
> >
> > DEBUG: time-delayed replication for txid 1234, min_apply_delay =
> > 160000 ms. Remaining wait time: 159972 ms
> > DEBUG: time-delayed replication for txid 1234, min_apply_delay =
> > 160000 ms. Remaining wait time: 142828 ms
> > DEBUG: time-delayed replication for txid 1234, min_apply_delay =
> > 160000 ms. Remaining wait time: 129994 ms
> > DEBUG: time-delayed replication for txid 1234, min_apply_delay =
> > 160000 ms. Remaining wait time: 110001 ms ...
> >
>
> +1
> This will also help when min_apply_delay is set to a new value in between the
> current wait. Lets say, I started with min_apply_delay=5 min, when the worker
> was half way through this, I changed min_apply_delay to 3 min or say 10min, I
> see the impact of that change i.e. new wait-time is adjusted, but log becomes
> confusing. So, please keep this scenario as well in mind while improving
> logging.
Yes, now the change of min_apply_delay value can be detected
since I followed the format provided above. So, this scenario is also covered.
Best Regards,
Takamichi Osumi
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Subject: RE: Time delayed LR (WAS Re: logical replication restrictions)
In-Reply-To: <TYCPR01MB837363C75D9876B7C1529D06EDC59@TYCPR01MB8373.jpnprd01.prod.outlook.com>
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