Ryan Blue created SPARK-17532:
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Summary: 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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