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From: Dmitry O Litvintsev <[email protected]>
To: Tom Lane <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Seeing new stuff in log after upgrading from 11 to 15
Date: Thu, 16 May 2024 00:00:36 +0000
Message-ID: <SA1PR09MB7311C351A55835B6C58903BDB9EC2@SA1PR09MB7311.namprd09.prod.outlook.com> (raw)
In-Reply-To: <[email protected]>
References: <PH0PR09MB730858270F65D1E2CBBF6708B9EC2@PH0PR09MB7308.namprd09.prod.outlook.com>
	<[email protected]>

Thanks for the quick reply! NP, I was just being extra cautious after upgrade.


________________________________________
From: Tom Lane <[email protected]>
Sent: Wednesday, May 15, 2024 6:50 PM
To: Dmitry O Litvintsev
Cc: [email protected]
Subject: Re: Seeing new stuff in log after upgrading from 11 to 15

[EXTERNAL] – This message is from an external sender

Dmitry O Litvintsev <[email protected]> writes:
> After upgrade 11 -> 15 started to see these messages in hot standby log:

> < 2024-05-15 17:20:24.164 CDT  151879 > LOG:  restartpoint complete: wrote 296338 buffers (28.3%); 0 WAL file(s) added, 134 removed, 0 recycled; write=1619.469 s, sync=0.022 s, total=1619.539 s; sync files=1492, longest=0.002 s, average=0.001 s; distance=2195446 kB, estimate=4171347 kB
> < 2024-05-15 17:20:24.164 CDT  151879 > LOG:  recovery restart point at 17AB8/47000140
> < 2024-05-15 17:20:24.164 CDT  151879 > DETAIL:  Last completed transaction was at log time 2024-05-15 17:20:24.138362-05.
> < 2024-05-15 17:20:24.167 CDT  151879 > LOG:  restartpoint starting: wal

> while running 11 the log was almost empty, and I did not modify verbosity settings...
> Queston : are above harmless and just informational?

This is checkpoint logging, which is on by default now (a decision
I didn't particularly approve of).  Feel free to set
"log_checkpoints = off" if you don't want it.

                        regards, tom lane






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