question: public static boolean exceedsSize ( Configuration conf , Path path , long maxSize ) throws IOException { long totalSize = 0 ; FileSystem fs = FileSystem . get ( path . toUri ( ) , conf ) ; Queue < Path > pathsToCheck = new LinkedList < > ( ) ; pathsToCheck . add ( path ) ; while ( pathsToCheck . size ( ) > 0 ) { Path pathToCheck = pathsToCheck . remove ( ) ; FileStatus [ ] statuses = fs . listStatus ( pathToCheck ) ; for ( FileStatus status : statuses ) { if ( status . isDirectory ( ) ) { pathsToCheck . add ( status . getPath ( ) ) ; } else { totalSize += status . getLen ( ) ; if ( totalSize > maxSize ) { return true ; } } } } return false ; }
target:  Check if a directory exceeds the specified size.