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Xuan Gong commented on YARN-1303: --------------------------------- Did the test on a single node cluster : Using the command : {code} hadoop-3.0.0-SNAPSHOT/bin/hadoop jar hadoop-yarn-project-3.0.0-SNAPSHOT/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-3.0.0-SNAPSHOT.jar org.apache.hadoop.yarn.applications.distributedshell.Client --jar hadoop-yarn-project-3.0.0-SNAPSHOT/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-3.0.0-SNAPSHOT.jar --shell_command "ls|ps" --num_containers 2 {code} And From launch_container.sh of Container : {code} exec /bin/bash -c "ls|ps 1>/Users/xuan/dep/hadoop-3.0.0-SNAPSHOT/logs/application_1385002853820_0002/container_1385002853820_0002_01_000003/stdout 2>/Users/xuan/dep/hadoop-3.0.0-SNAPSHOT/logs/application_1385002853820_0002/container_1385002853820_0002_01_000003/stderr " {code} > Allow multiple commands separating with ";" in distributed-shell > ---------------------------------------------------------------- > > Key: YARN-1303 > URL: https://issues.apache.org/jira/browse/YARN-1303 > Project: Hadoop YARN > Issue Type: Improvement > Components: applications/distributed-shell > Reporter: Tassapol Athiapinya > Assignee: Xuan Gong > Attachments: YARN-1303.1.patch, YARN-1303.2.patch, YARN-1303.3.patch, > YARN-1303.3.patch, YARN-1303.4.patch, YARN-1303.4.patch, YARN-1303.5.patch, > YARN-1303.6.patch, YARN-1303.7.patch, YARN-1303.8.1.patch, > YARN-1303.8.2.patch, YARN-1303.8.patch, YARN-1303.9.patch > > > In shell, we can do "ls; ls" to run 2 commands at once. > In distributed shell, this is not working. We should improve to allow this to > occur. There are practical use cases that I know of to run multiple commands > or to set environment variables before a command. -- This message was sent by Atlassian JIRA (v6.1#6144)