question: public BackupUploadStatus queryBackupUploadStatus ( ) { CoordinatorClient coordinatorClient = coordinator . getCoordinatorClient ( ) ; Configuration cfg = coordinatorClient . queryConfiguration ( coordinatorClient . getSiteId ( ) , BackupConstants . BACKUP_UPLOAD_STATUS , Constants . GLOBAL_ID ) ; Map < String , String > allItems = ( cfg == null ) ? new HashMap < String , String > ( ) : cfg . getAllConfigs ( false ) ; BackupUploadStatus uploadStatus = new BackupUploadStatus ( allItems ) ; log . info ( "Upload status is: {}" , uploadStatus ) ; return uploadStatus ; }
target:  Query upload status from ZK