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repmgrd: improve monitoring statistics logging

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Add more granular logging to help diagnose issues, and also keep track
of when the last monitoring statistics update was set and emit that
as DETAIL every time we emit a log status update.
This commit is contained in:
Ian Barwick
2018-08-29 14:48:30 +09:00
parent 623c84c022
commit e468ca859e
2 changed files with 45 additions and 13 deletions
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7
dbutils.c
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@@ -4146,13 +4146,12 @@ add_monitoring_record(PGconn *primary_conn,
}
else
{
PGresult *res = NULL;
res = PQexec(local_conn, "SELECT repmgr.standby_set_last_updated()");
PGresult *res = PQexec(local_conn, "SELECT repmgr.standby_set_last_updated()");
/* not critical if the above query fails */
if (PQresultStatus(res) != PGRES_TUPLES_OK)
log_warning(_("unable to set last_updated:\n %s"), PQerrorMessage(local_conn));
log_warning(_("add_monitoring_record(): unable to set last_updated:\n %s"),
PQerrorMessage(local_conn));
PQclear(res);
}