[jira] [Created] (YARN-1081) Minor improvement to output header for $ yarn node -list

["Tassapol Athiapinya (JIRA)" <ji...@apache.org>]

Tassapol Athiapinya created YARN-1081:
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             Summary: Minor improvement to output header for $ yarn node -list
                 Key: YARN-1081
                 URL: https://issues.apache.org/jira/browse/YARN-1081
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: client
            Reporter: Tassapol Athiapinya
             Fix For: 2.1.0-beta


Output of $ yarn node -list shows number of running containers at each node. I found a case when new user of YARN thinks that this is container ID, use it later in other YARN commands and find an error due to misunderstanding.

{code:title=current output}
2013-07-31 04:00:37,814|beaver.machine|INFO|RUNNING: /usr/bin/yarn node -list
2013-07-31 04:00:38,746|beaver.machine|INFO|Total Nodes:1
2013-07-31 04:00:38,747|beaver.machine|INFO|Node-Id	Node-State	Node-Http-Address	Running-Containers
2013-07-31 04:00:38,747|beaver.machine|INFO|myhost:45454	   RUNNING	myhost:50060	   2
{code}

{code:title=proposed output}
2013-07-31 04:00:37,814|beaver.machine|INFO|RUNNING: /usr/bin/yarn node -list
2013-07-31 04:00:38,746|beaver.machine|INFO|Total Nodes:1
2013-07-31 04:00:38,747|beaver.machine|INFO|Node-Id	Node-State	Node-Http-Address	Number-of-Running-Containers
2013-07-31 04:00:38,747|beaver.machine|INFO|myhost:45454	   RUNNING	myhost:50060	   2
{code}

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