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switchover: check for pending archive files on the demotion candidate

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If the current primary (demotion candidate) still has any files to archive,
it will delay the shutdown until all files are archived. If there is a
substantial number of files, and/or the archive command executes slowly,
this will probably lead to an unwelcome delay in the switchover process.
This commit is contained in:
Ian Barwick
2017-08-08 00:37:20 +09:00
parent 068ecc963d
commit 2499b42ef8
12 changed files with 543 additions and 67 deletions
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17
repmgr.h
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@@ -40,13 +40,16 @@
#define DEFAULT_LOCATION "default"
#define DEFAULT_PRIORITY 100
#define DEFAULT_RECONNECTION_ATTEMPTS 6
#define DEFAULT_RECONNECTION_INTERVAL 10
#define DEFAULT_MONITORING_INTERVAL 2
#define DEFAULT_ASYNC_QUERY_TIMEOUT 60
#define DEFAULT_PRIMARY_NOTIFICATION_TIMEOUT 60
#define DEFAULT_PRIMARY_FOLLOW_TIMEOUT 60
#define DEFAULT_BDR_RECOVERY_TIMEOUT 30
#define DEFAULT_RECONNECTION_ATTEMPTS 6 /* seconds */
#define DEFAULT_RECONNECTION_INTERVAL 10 /* seconds */
#define DEFAULT_MONITORING_INTERVAL 2 /* seconds */
#define DEFAULT_ASYNC_QUERY_TIMEOUT 60 /* seconds */
#define DEFAULT_PRIMARY_NOTIFICATION_TIMEOUT 60 /* seconds */
#define DEFAULT_PRIMARY_FOLLOW_TIMEOUT 60 /* seconds */
#define DEFAULT_BDR_RECOVERY_TIMEOUT 30 /* seconds */
#define DEFAULT_ARCHIVER_LAG_WARNING 16 /* WAL files */
#define DEFAULT_ARCHIVER_LAG_CRITICAL 128 /* WAL files */
#define FAILOVER_NODES_MAX_CHECK 50