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Regularly sync witness server repl_nodes table.

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Although the witness server will resync the repl_nodes table following
a failover, other operations (e.g. removing or cloning a standby)
were previously not reflected in the witness server's copy of this
table.

As a short-term workaround, automatically resync the table at regular
intervals (defined by the configuration file parameter
"witness_repl_nodes_sync_interval_secs", default 30 seconds).
This commit is contained in:
Ian Barwick
2016-03-29 16:46:18 +09:00
parent 958e45f2b8
commit c48c248c15
7 changed files with 54 additions and 16 deletions
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3
config.h
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@@ -75,13 +75,14 @@ typedef struct
char logfile[MAXLEN];
int monitor_interval_secs;
int retry_promote_interval_secs;
int witness_repl_nodes_sync_interval_secs;
int use_replication_slots;
char event_notification_command[MAXLEN];
EventNotificationList event_notifications;
TablespaceList tablespace_mapping;
} t_configuration_options;
#define T_CONFIGURATION_OPTIONS_INITIALIZER { "", -1, NO_UPSTREAM_NODE, "", MANUAL_FAILOVER, -1, "", "", "", "", "", "", "", -1, -1, -1, "", "", "", "", 0, 0, 0, "", { NULL, NULL }, {NULL, NULL} }
#define T_CONFIGURATION_OPTIONS_INITIALIZER { "", -1, NO_UPSTREAM_NODE, "", MANUAL_FAILOVER, -1, "", "", "", "", "", "", "", -1, -1, -1, "", "", "", "", 0, 0, 0, 0, "", { NULL, NULL }, {NULL, NULL} }
typedef struct ErrorListCell
{