cloud-fan commented on a change in pull request #26624:
URL: https://github.com/apache/spark/pull/26624#discussion_r420611475
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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:
I mean the things we documented: 1) task name apparently doesn't apply
to the driver side 2) custom MDC properties set by
`spark.sparkContext.setLocalProperty("mdc." + name, "value")`
We usually don't commit changes that "may be used later". We can submit the
changes when we really need them.
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