Github user JoshRosen commented on the pull request: https://github.com/apache/spark/pull/2944#issuecomment-61564034 Alright, I took another pass on this: - Rename ThreadDumpPage -> ExecutorThreadDumpPage - Make page private[ui] - Make TriggerThreadDump into a case object - Rename fields in ThreadStackTrace - Use ThreadMxBean to obtain thread dumps instead of Thread.getAllStackTraces() - Remove documentation of spark.ui.threadDumpsEnabled configuration, but leave the option as an internal configuration - Guard against exceptions in SparkContext.getExecutorThreadDump() - Disable thread dump page and button in history server.
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