}
/**
- * Get a slave database connection for the specified cluster
+ * Get a replica DB connection for the specified cluster
*
* @param string $cluster Cluster name
* @return IDatabase
}
/**
- * Helper function for self::batchFetchBlobs for merging master/slave results
+ * Helper function for self::batchFetchBlobs for merging master/replica DB results
* @param array &$ret Current self::batchFetchBlobs return value
* @param array &$ids Map from blob_id to requested itemIDs
* @param mixed $res DB result from Database::select