hadoop fs -ls hdfs://bd2:9000/user/2019310825/
hadoop fs -rm -r -f hdfs://bd2:9000/user/2019310825/pagerank* hadoop fs -get hdfs://bd2:9000/user/2019310825/pagerank*
hadoop fs -rm -r -f hdfs://bd2:9000/user/2019310825/trustrank* hadoop fs -get hdfs://bd2:9000/user/2019310825/trustrank*
./run.sh wiki-Vote.txt pagerank ./run.sh wiki-Vote.txt trustrank
./run.sh com-lj.ungraph.txt pagerank