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Fix the logical replication timeout during large DDLs.

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The DDLs like Refresh Materialized views that generate lots of temporary
data due to rewrite rules may not be processed by output plugins (for
example pgoutput). So, we won't send keep-alive messages for a long time
while processing such commands and that can lead the subscriber side to
timeout. We have previously fixed a similar case for large transactions in
commit f95d53eded where the output plugin filters all or most of the
changes but missed to handle the DDLs.

We decided not to backpatch this as this adds a new callback in the
existing exposed structure and moreover, users can increase the
wal_sender_timeout and wal_receiver_timeout to avoid this problem.

Author: Wang wei, Hou Zhijie
Reviewed-by: Peter Smith, Ashutosh Bapat, Shi yu, Amit Kapila
Discussion: https://postgr.es/m/OS3PR01MB6275478E5D29E4A563302D3D9E2B9@OS3PR01MB6275.jpnprd01.prod.outlook.com
Discussion: https://postgr.es/m/CAA5-nLARN7-3SLU_QUxfy510pmrYK6JJb=bk3hcgemAM_pAv+w@mail.gmail.com
This commit is contained in:
Amit Kapila
2023-02-08 07:58:25 +05:30
parent fee7b77b90
commit 8c58624df4
5 changed files with 89 additions and 48 deletions
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src/tools/pgindent/typedefs.list
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@@ -2311,6 +2311,7 @@ ReorderBufferToastEnt
ReorderBufferTupleBuf
ReorderBufferTupleCidEnt
ReorderBufferTupleCidKey
ReorderBufferUpdateProgressTxnCB
ReorderTuple
RepOriginId
ReparameterizeForeignPathByChild_function