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From "Colin Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SQOOP-2776) Sqoop2: Add web interface for thread dump
Date Wed, 20 Jan 2016 01:55:40 GMT

     [ https://issues.apache.org/jira/browse/SQOOP-2776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Ma updated SQOOP-2776:
----------------------------
    Attachment: SQOOP-2776.003.patch

Update the patch according to the comments from review board.

> Sqoop2: Add web interface for thread dump
> -----------------------------------------
>
>                 Key: SQOOP-2776
>                 URL: https://issues.apache.org/jira/browse/SQOOP-2776
>             Project: Sqoop
>          Issue Type: Sub-task
>            Reporter: Colin Ma
>            Assignee: Colin Ma
>             Fix For: 1.99.7
>
>         Attachments: SQOOP-2776.001.patch, SQOOP-2776.002.patch, SQOOP-2776.003.patch
>
>
> Add web interface for thread dump, user can get the information from the shell.
> the following is the example of output:
>         Process Thread Dump:
>           31 active threads
>             Thread 43 (Keep-Alive-Timer):
>               State: TIMED_WAITING
>               Blocked count: 0
>               Waited count: 1
>               Stack:
>               java.lang.Thread.sleep(Native Method)
>               sun.net.www.http.KeepAliveCache.run(KeepAliveCache.java:172)
>               java.lang.Thread.run(Thread.java:745)
>             Thread 42 (pool-1-thread-6 - /sqoop/threadDump?user.name=username):
>               State: RUNNABLE
>               Blocked count: 0
>               Waited count: 0
>               Stack:
>               sun.management.ThreadImpl.getThreadInfo1(Native Method)
>               sun.management.ThreadImpl.getThreadInfo(ThreadImpl.java:174)
>               sun.management.ThreadImpl.getThreadInfo(ThreadImpl.java:139)
>               org.apache.hadoop.util.ReflectionUtils.printThreadInfo(ReflectionUtils.java:165)
>               org.apache.sqoop.json.ThreadDumpBean.getThreadDump(ThreadDumpBean.java:44)
>               org.apache.sqoop.json.ThreadDumpBean.extract(ThreadDumpBean.java:37)
>               org.apache.sqoop.server.SqoopProtocolServlet.sendSuccessResponse(SqoopProtocolServlet.java:113)
>               org.apache.sqoop.server.SqoopProtocolServlet.doGet(SqoopProtocolServlet.java:52)



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