From: | Emanuel Calvo <3manuek(at)gmail(dot)com> |
---|---|
To: | Brad White <b55white(at)gmail(dot)com> |
Cc: | "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: replication isn't replicating |
Date: | 2024-01-16 21:53:34 |
Message-ID: | CAJeAsn9uX33OWSiJ+tZrrcAp4rrr5L_xmx7A0OYnerXL-ZYvqQ@mail.gmail.com |
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Lists: | pgsql-general |
El mar, 16 ene 2024 a las 22:47, Brad White (<b55white(at)gmail(dot)com>) escribió:
> Errors from the Primary server
>
> 2024-01-15 00:01:06.166 CST [1428] ERROR: requested WAL segment
> 0000000100000002000000A2 has already been removed
> 2024-01-15 00:01:06.166 CST [1428] STATEMENT: START_REPLICATION
> 2/A2000000 TIMELINE 1
> 2024-01-15 00:01:11.158 CST [3472] ERROR: requested WAL segment
> 0000000100000002000000A2 has already been removed
> 2024-01-15 00:01:11.158 CST [3472] STATEMENT: START_REPLICATION
> 2/A2000000 TIMELINE 1
> 2024-01-15 00:01:11.158 CST [3472] LOG: could not receive data from
> client: An existing connection was forcibly closed by the remote host.
>
>
These log entries mean that some node is requesting a WAL segment that was
already removed from
the server.
>
> 2024-01-15 00:01:16.166 CST [664] ERROR: requested WAL segment
> 0000000100000002000000A2 has already been removed
> 2024-01-15 00:01:16.166 CST [664] STATEMENT: START_REPLICATION 2/A2000000
> TIMELINE 1
> 2024-01-15 00:01:21.161 CST [2016] ERROR: requested WAL segment
> 0000000100000002000000A2 has already been removed
> 2024-01-15 00:01:21.161 CST [2016] STATEMENT: START_REPLICATION
> 2/A2000000 TIMELINE 1
> 2024-01-15 00:01:21.161 CST [2016] LOG: could not receive data from
> client: An existing connection was forcibly closed by the remote host.
>
> [repeat for 550000 lines]
> ----------------------------------------
> Errors from the backup server
>
> 2024-01-15 01:13:57.893 CST [2988] LOG: started streaming WAL from
> primary at 2/A2000000 on timeline 1
> 2024-01-15 01:13:57.893 CST [2988] FATAL: could not receive data from WAL
> stream: ERROR: requested WAL segment 0000000100000002000000A2 has already
> been removed
> 2024-01-15 01:13:57.893 CST [1792] LOG: waiting for WAL to become
> available at 2/A2002000
> 2024-01-15 01:14:02.884 CST [2552] LOG: started streaming WAL from
> primary at 2/A2000000 on timeline 1
> 2024-01-15 01:14:02.884 CST [2552] FATAL: could not receive data from WAL
> stream: ERROR: requested WAL segment 0000000100000002000000A2 has already
> been removed
> 2024-01-15 01:14:02.884 CST [1792] LOG: waiting for WAL to become
> available at 2/A2002000
>
>
These are related to the backup not finding that segment, so it means
you'll need to resync
your backup stream. I assume that you're using barman and using
https://docs.pgbarman.org/release/3.9.0/#streaming-backup .
Hope it helped.
--
--
Emanuel Calvo
OnGres Database Engineer | ViaDB Founder
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