cloud-fan commented on a change in pull request #26624:
URL: https://github.com/apache/spark/pull/26624#discussion_r417857344
##########
File path: core/src/main/scala/org/apache/spark/executor/Executor.scala
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@@ -104,7 +104,7 @@ private[spark] class Executor(
.setNameFormat("Executor task launch worker-%d")
.setThreadFactory((r: Runnable) => new UninterruptibleThread(r,
"unused"))
.build()
-
Executors.newCachedThreadPool(threadFactory).asInstanceOf[ThreadPoolExecutor]
+ ThreadUtils.newCachedThreadPool(threadFactory)
Review comment:
> in case later someone will add MDC set in the caller thread it will
not pass without that
It won't work anyway, as we overwrite the MDC properties in `TaskRunner.run`.
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