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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/09/13 22:11:21 UTC

[jira] [Commented] (SPARK-17532) Add thread lock information from JMX to thread dump UI

    [ https://issues.apache.org/jira/browse/SPARK-17532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15488601#comment-15488601 ] 

Apache Spark commented on SPARK-17532:
--------------------------------------

User 'rdblue' has created a pull request for this issue:
https://github.com/apache/spark/pull/15088

> Add thread lock information from JMX to thread dump UI
> ------------------------------------------------------
>
>                 Key: SPARK-17532
>                 URL: https://issues.apache.org/jira/browse/SPARK-17532
>             Project: Spark
>          Issue Type: Improvement
>          Components: Web UI
>            Reporter: Ryan Blue
>
> It would be much easier to track down issues like SPARK-15725 if the thread dump page in the web UI displayed debugging info about what locks are currently held by threads. This is already available through the [ThreadMXBean|https://docs.oracle.com/javase/7/docs/api/java/lang/management/ThreadMXBean.html] that is used to get stack traces, thead ids, and names.



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