question: remove a shuffle 's metadata from the shufflemanager . concode_field_sep PlaceHolder placeHolder concode_field_sep void stop concode_elem_sep org.apache.spark.shuffle.ShuffleReader<K,C> getReader concode_elem_sep org.apache.spark.shuffle.ShuffleWriter<K,V> getWriter concode_elem_sep org.apache.spark.shuffle.ShuffleHandle registerShuffle concode_elem_sep org.apache.spark.shuffle.IndexShuffleBlockManager indexShuffleBlockManager concode_elem_sep java.util.concurrent.ConcurrentHashMap<java.lang.Object,java.lang.Object> shuffleMapNumber concode_elem_sep org.apache.spark.shuffle.IndexShuffleBlockManager shuffleBlockManager
target: boolean function ( int arg0 ) { throw new RuntimeException ( ) ; }