Hadoop Tips
How to start Hadoop, user@user-G31M-ES2L:/usr/local/hadoop/bin$./start-all.sh How to stop Hadoop, user@user-G31M-ES2L:/usr/local/hadoop/bin$./stop-all.sh How to place files in HDFS, user@user-G31M-ES2L:~$ hadoop dfs -put filename.csv /tmp/hdfsdir/ How to check hadoop processes status: user@user-G31M-ES2L:~$/usr/local/hadoop$ jps 3423 TaskTracker 3217 JobTracker 2674 NameNode 4511 Jps 3555 RunJar 3122 SecondaryNameNode 2909 DataNode 4381 RunJar