function db_ignore_replica

1 database.inc db_ignore_replica()

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

6 calls to db_ignore_replica()

db_ignore_slave in core/includes/database/database.inc
EntityDatabaseStorageController::delete in core/modules/entity/entity.controller.inc: Implements EntityStorageControllerInterface::delete().
EntityDatabaseStorageController::save in core/modules/entity/entity.controller.inc: Implements EntityStorageControllerInterface::save().
NodeStorageController::delete in core/modules/node/node.entity.inc: Overrides EntityDatabaseStorageController::delete().
NodeStorageController::save in core/modules/node/node.entity.inc: Overrides EntityDatabaseStorageController::save().

File

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

Code

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;
  }
}