igreenfield commented on a change in pull request #26624:
URL: https://github.com/apache/spark/pull/26624#discussion_r417808971
##########
File path: core/src/main/scala/org/apache/spark/util/ThreadUtils.scala
##########
@@ -17,21 +17,101 @@
package org.apache.spark.util
+import java.util
import java.util.concurrent._
import java.util.concurrent.locks.ReentrantLock
+import com.google.common.util.concurrent.{MoreExecutors, ThreadFactoryBuilder}
import scala.concurrent.{Awaitable, ExecutionContext,
ExecutionContextExecutor, Future}
import scala.concurrent.duration.{Duration, FiniteDuration}
import scala.language.higherKinds
import scala.util.control.NonFatal
-import com.google.common.util.concurrent.ThreadFactoryBuilder
-
import org.apache.spark.SparkException
import org.apache.spark.rpc.RpcAbortException
private[spark] object ThreadUtils {
+ object MDCAwareThreadPoolExecutor {
+ def newCachedThreadPool(threadFactory: ThreadFactory): ThreadPoolExecutor
= {
+ new MDCAwareThreadPoolExecutor(
+ 0,
+ Integer.MAX_VALUE,
+ 60L,
+ TimeUnit.SECONDS,
+ new SynchronousQueue[Runnable],
+ threadFactory)
+ }
+
+ def newFixedThreadPool(nThreads: Int, threadFactory: ThreadFactory):
ThreadPoolExecutor = {
+ new MDCAwareThreadPoolExecutor(
+ nThreads,
+ nThreads,
+ 0L,
+ TimeUnit.MILLISECONDS,
+ new LinkedBlockingQueue[Runnable],
+ threadFactory)
+ }
+
+ def newSingleThreadExecutor(threadFactory: ThreadFactory):
ThreadPoolExecutor = {
+ new MDCAwareThreadPoolExecutor(
Review comment:
Done
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