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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
committed by Ian Barwick
parent f9dba283d4
commit 0ebd9c15d9
7 changed files with 54 additions and 16 deletions
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2
dbutils.h
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@@ -122,7 +122,7 @@ bool start_backup(PGconn *conn, char *first_wal_segment, bool fast_checkpoint);
bool stop_backup(PGconn *conn, char *last_wal_segment);
bool set_config_bool(PGconn *conn, const char *config_param, bool state);
bool copy_configuration(PGconn *masterconn, PGconn *witnessconn, char *cluster_name);
bool create_node_record(PGconn *conn, char *action, int node, char *type, int upstream_node, char *cluster_name, char *node_name, char *conninfo, int priority, char *slot_name);
bool create_node_record(PGconn *conn, char *action, int node, char *type, int upstream_node, char *cluster_name, char *node_name, char *conninfo, int priority, char *slot_name, bool active);
bool delete_node_record(PGconn *conn, int node, char *action);
int get_node_record(PGconn *conn, char *cluster, int node_id, t_node_info *node_info);
bool update_node_record_status(PGconn *conn, char *cluster_name, int this_node_id, char *type, int upstream_node_id, bool active);