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From: Takamichi Osumi (Fujitsu) <[email protected]>
To: 'Kyotaro Horiguchi' <[email protected]>
To: [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 06:13:08 +0000
Message-ID: <TYCPR01MB83736C80098C9E284A550B20EDC59@TYCPR01MB8373.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<TYWPR01MB83628B9AE512989DCEC67F3FED659@TYWPR01MB8362.jpnprd01.prod.outlook.com>
	<[email protected]>
	<[email protected]>

Hi, Horiguchi-san and Amit-san


On Wednesday, November 9, 2022 3:41 PM Kyotaro Horiguchi <[email protected]> wrote:
> Using interval is not standard as this kind of parameters but it seems
> convenient. On the other hand, it's not great that the unit month introduces
> some subtle ambiguity.  This patch translates a month to 30 days but I'm not
> sure it's the right thing to do. Perhaps we shouldn't allow the units upper than
> days.
In the past discussion, we talked about the merits to utilize the interval type.
On the other hand, now we are facing some incompatibility issues of parsing
between this time-delayed feature and physical replication's recovery_min_apply_delay.

For instance, the interval type can accept '600 m s h', '1d 10min' and '1m',
but the recovery_min_apply_delay makes the server failed to start by all of those.

Therefore, this would confuse users and I'm going to make the feature's input
compatible with recovery_min_apply_delay in the next version.


Best Regards,
	Takamichi Osumi

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