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From: Drouvot, Bertrand <[email protected]>
To: Kyotaro Horiguchi <[email protected]>
To: [email protected]
Cc: [email protected]
Cc: [email protected]
Subject: Re: more descriptive message for process termination due to max_slot_wal_keep_size
Date: Mon, 5 Sep 2022 11:56:33 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CAD21AoD7cGS_NtxpNiqKQdtS0xm7OZSt1GamGqhKy8SC2OjFvw@mail.gmail.com>
	<[email protected]>
	<[email protected]>

Hi,

On 3/2/22 7:37 AM, Kyotaro Horiguchi wrote:
> At Tue, 04 Jan 2022 10:29:31 +0900 (JST), Kyotaro Horiguchi<[email protected]>  wrote in
>> So what do you say if I propose the following?
>>
>> LOG:  terminating process %d to release replication slot \"%s\"
>> because its restart_lsn %X/%X exceeds the limit %X/%X
>> HINT: You might need to increase max_slot_wal_keep_size.
> This version emits the following message.
>
> [35785:checkpointer] LOG:  terminating process 36368 to release replication slot "s1" because its restart_lsn 0/1F000148 exceeds the limit 0/21000000
> [35785:checkpointer] HINT:  You might need to increase max_slot_wal_keep_size.

As the hint is to increase max_slot_wal_keep_size, what about reporting 
the difference in size (rather than the limit lsn)? Something along 
those lines?

[35785:checkpointer] LOG:  terminating process 36368 to release replication slot "s1" because its restart_lsn 0/1F000148 exceeds the limit by <NNN MB>.

Regards,

-- 

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

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