igreenfield commented on a change in pull request #26624:
URL: https://github.com/apache/spark/pull/26624#discussion_r422528642
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File path: core/src/main/scala/org/apache/spark/util/ThreadUtils.scala
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@@ -157,23 +259,23 @@ private[spark] object ThreadUtils {
*/
def newDaemonFixedThreadPool(nThreads: Int, prefix: String):
ThreadPoolExecutor = {
val threadFactory = namedThreadFactory(prefix)
- Executors.newFixedThreadPool(nThreads,
threadFactory).asInstanceOf[ThreadPoolExecutor]
+ MDCAwareThreadPoolExecutor.newFixedThreadPool(nThreads, threadFactory)
Review comment:
@cloud-fan I check and all uses of that function are from driver code.
What do you think about reverting that one and create a new one called
`newMDCAwareDaemonFixedThreadPool` so it can be used later?
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