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repmgrd: optionally disconnect WAL receivers during failover

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This is intended to ensure that all nodes have a constant LSN while
making the failover decision.

This feature is experimental and needs to be explicitly enabled with the
configuration file option "standby_disconnect_on_failover".

Note enabling this option will result in a delay in the failover decision
until the WAL receiver is disconnected on all nodes.
This commit is contained in:
Ian Barwick
2019-03-01 18:20:44 +09:00
parent bde8c7e29c
commit 59b7453bbf
16 changed files with 404 additions and 17 deletions
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repmgr-action-node.h
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@@ -24,6 +24,7 @@ extern void do_node_check(void);
extern void do_node_rejoin(void);
extern void do_node_service(void);
extern void do_node_control(void);
extern void do_node_help(void);