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https://issues.apache.org/jira/browse/YARN-1303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795701#comment-13795701
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Xuan Gong commented on YARN-1303:
---------------------------------
Input:
{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|pwd"
{code}
part of output:
{code}
13/10/15 14:37:41 INFO distributedshell.Client: Initializing Client
DistributedShell does not support multiple commands or command pipeline. Please
create a shell script for them and use --shell_script option
{code}
> Allow multiple commands separating with ;
> -----------------------------------------
>
> 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
> Fix For: 2.2.1
>
> Attachments: YARN-1303.1.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.
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