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help / color / mirror / Atom feedFrom: Meera Nair <[email protected]>
To: Laurenz Albe <[email protected]>
To: [email protected] <[email protected]>
Cc: Punit Pranesh Koujalgi <[email protected]>
Cc: B Ganesh Kishan <[email protected]>
Subject: RE: Logical replication type- WAL recovery fails and changes the size of wal segment in archivedir
Date: Thu, 6 Jun 2024 01:52:07 +0000
Message-ID: <SJ1PR19MB61620B7246DB758CAA8299C5BAFA2@SJ1PR19MB6162.namprd19.prod.outlook.com> (raw)
In-Reply-To: <[email protected]>
References: <SJ1PR19MB6162FA7FE28CBA7C952147FBBAF92@SJ1PR19MB6162.namprd19.prod.outlook.com>
<[email protected]>
Hi Laurenz,
Thanks a lot!
Regards,
Meera
-----Original Message-----
From: Laurenz Albe <[email protected]>
Sent: Wednesday, June 5, 2024 3:56 PM
To: Meera Nair <[email protected]>; [email protected]
Cc: Punit Pranesh Koujalgi <[email protected]>; B Ganesh Kishan <[email protected]>
Subject: Re: Logical replication type- WAL recovery fails and changes the size of wal segment in archivedir
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On Wed, 2024-06-05 at 06:36 +0000, Meera Nair wrote:
> 2024-06-05 11:41:32.369 IST [54369] LOG: restored log file
> "00000005000000010000006A" from archive
> 2024-06-05 11:41:33.112 IST [54369] LOG: restored log file
> "00000005000000010000006B" from archive
> cp: cannot stat ‘/home/pgsql/wmaster/00000005000000010000006C’: No
> such file or directory
> 2024-06-05 11:41:33.167 IST [54369] LOG: redo done at 1/6B000100
> 2024-06-05 11:41:33.172 IST [54369] FATAL: archive file
> "00000005000000010000006B" has wrong size: 0 instead of 16777216
> 2024-06-05 11:41:33.173 IST [54367] LOG: startup process (PID 54369)
> exited with exit code 1
> 2024-06-05 11:41:33.173 IST [54367] LOG: terminating any other active
> server processes
> 2024-06-05 11:41:33.174 IST [54375] FATAL: archive command was
> terminated by signal 3: Quit
> 2024-06-05 11:41:33.174 IST [54375] DETAIL: The failed archive
> command was: cp pg_wal/00000005000000010000006B
> /home/pgsql/wmaster/00000005000000010000006B
> 2024-06-05 11:41:33.175 IST [54367] LOG: archiver process (PID 54375)
> exited with exit code 1
> 2024-06-05 11:41:33.177 IST [54367] LOG: database system is shut down
>
> Here ‘/home/pgsql/wmaster’ is my archivedir (the folder where WAL
> segments are restored from)
>
> Before attempting start, size of
> 00000005000000010000006B file was 16 MB.
> After failing to detect 00000005000000010000006C, there is a FATAL
> error saying wrong size for 00000005000000010000006B Now the size of 00000005000000010000006B is observed as 2 MB. Size of all other WAL segments remain 16 MB.
>
> -rw------- 1 postgres postgres 2359296 Jun 5 11:34
> 00000005000000010000006B
That looks like you have "archive_mode = always", and "archive_command" writes back to the archive. Don't do that.
Yours,
Laurenz Albe
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Subject: RE: Logical replication type- WAL recovery fails and changes the size of wal segment in archivedir
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