try {
if ( $this->getMasterLinkStatus( $conn ) === 'down' ) {
// If the master cannot be reached, fail-over to the next server.
- // If masters are in data-center A, and slaves in data-center B,
+ // If masters are in data-center A, and replica DBs in data-center B,
// this helps avoid the case were fail-over happens in A but not
// to the corresponding server in B (e.g. read/write mismatch).
continue;
}
/**
- * Check the master link status of a Redis server that is configured as a slave.
+ * Check the master link status of a Redis server that is configured as a replica DB.
* @param RedisConnRef $conn
* @return string|null Master link status (either 'up' or 'down'), or null
- * if the server is not a slave.
+ * if the server is not a replica DB.
*/
protected function getMasterLinkStatus( RedisConnRef $conn ) {
$info = $conn->info();