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standby follow: check node has connect to new primary

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After restarting the standby, poll pg_stat_replication on the upstream
until the standby connects, and exit with an error if it doesn't by the
timeout defined in "standby_follow_timeout".

Implments GitHub #444.
This commit is contained in:
Ian Barwick
2018-06-07 14:38:15 +09:00
parent 20ce53e2d2
commit 68a9745e7e
6 changed files with 109 additions and 24 deletions
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9
configfile.h
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@@ -98,6 +98,10 @@ typedef struct
int promote_check_timeout;
int promote_check_interval;
/* standby follow settings */
int primary_follow_timeout;
int standby_follow_timeout;
/* node check settings */
int archive_ready_warning;
int archive_ready_critical;
@@ -120,7 +124,6 @@ typedef struct
int degraded_monitoring_timeout;
int async_query_timeout;
int primary_notification_timeout;
int primary_follow_timeout;
int standby_reconnect_timeout;
/* BDR settings */
@@ -167,6 +170,9 @@ typedef struct
false, "", "", { NULL, NULL }, "", false, "", false, "", \
/* standby promote settings */ \
DEFAULT_PROMOTE_CHECK_TIMEOUT, DEFAULT_PROMOTE_CHECK_INTERVAL, \
/* standby follow settings */ \
DEFAULT_PRIMARY_FOLLOW_TIMEOUT, \
DEFAULT_STANDBY_FOLLOW_TIMEOUT, \
/* node check settings */ \
DEFAULT_ARCHIVE_READY_WARNING, DEFAULT_ARCHIVE_READY_CRITICAL, \
DEFAULT_REPLICATION_LAG_WARNING, DEFAULT_REPLICATION_LAG_CRITICAL, \
@@ -180,7 +186,6 @@ typedef struct
false, -1, \
DEFAULT_ASYNC_QUERY_TIMEOUT, \
DEFAULT_PRIMARY_NOTIFICATION_TIMEOUT, \
DEFAULT_PRIMARY_FOLLOW_TIMEOUT, \
DEFAULT_STANDBY_RECONNECT_TIMEOUT, \
/* BDR settings */ \
false, DEFAULT_BDR_RECOVERY_TIMEOUT, \