1 database.inc db_ignore_replica()

Sets a session variable specifying the lag time for ignoring a replica server.


core/includes/database/database.inc, line 3143
Core systems for the database layer.


function db_ignore_replica() {
  $connection_info = Database::getConnectionInfo();
  // Only set ignore_replica_server if there are replica servers being used, which
  // is assumed if there are more than one.
  if (count($connection_info) > 1) {
    // Five minutes is long enough to allow the replica to break and resume
    // interrupted replication without causing problems on the Backdrop site
    // from the old data.
    $duration = settings_get('maximum_replication_lag', 300);
    // Set session variable with amount of time to delay before using replica.
    $_SESSION['ignore_replica_server'] = REQUEST_TIME + $duration;