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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/03/11 17:14:35 UTC
[GitHub] [spark] pgandhi999 edited a comment on issue #24035: [SPARK-27112] : Spark Scheduler encounters two independent Deadlocks …
pgandhi999 edited a comment on issue #24035: [SPARK-27112] : Spark Scheduler encounters two independent Deadlocks …
URL: https://github.com/apache/spark/pull/24035#issuecomment-471633756
@attilapiros Have attached the stack trace in text format here:
Deadlock between task-result-getter-thread and spark-dynamic-executor-allocation thread:
```
=============================
"task-result-getter-0":
waiting to lock monitor 0x00007f35dcf25cb8 (object 0x00000004404f2518, a org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend),
which is held by "spark-dynamic-executor-allocation"
"spark-dynamic-executor-allocation":
waiting to lock monitor 0x00007f35dc20f1f8 (object 0x00000004404f25c0, a org.apache.spark.scheduler.cluster.YarnClusterScheduler),
which is held by "task-result-getter-0"
Java stack information for the threads listed above:
===================================================
"task-result-getter-0":
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend.killExecutors(CoarseGrainedSchedulerBackend.scala:603)
- waiting to lock <0x00000004404f2518> (a org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend)
at org.apache.spark.scheduler.BlacklistTracker.org$apache$spark$scheduler$BlacklistTracker$$killBlacklistedExecutor(BlacklistTracker.scala:155)
at org.apache.spark.scheduler.BlacklistTracker$$anonfun$updateBlacklistForSuccessfulTaskSet$1.apply(BlacklistTracker.scala:247)
at org.apache.spark.scheduler.BlacklistTracker$$anonfun$updateBlacklistForSuccessfulTaskSet$1.apply(BlacklistTracker.scala:226)
at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:230)
at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
at scala.collection.mutable.HashMap.foreach(HashMap.scala:99)
at org.apache.spark.scheduler.BlacklistTracker.updateBlacklistForSuccessfulTaskSet(BlacklistTracker.scala:226)
at org.apache.spark.scheduler.TaskSetManager$$anonfun$org$apache$spark$scheduler$TaskSetManager$$maybeFinishTaskSet$1.apply(TaskSetManager.scala:530)
at org.apache.spark.scheduler.TaskSetManager$$anonfun$org$apache$spark$scheduler$TaskSetManager$$maybeFinishTaskSet$1.apply(TaskSetManager.scala:530)
at scala.Option.foreach(Option.scala:257)
at org.apache.spark.scheduler.TaskSetManager.org$apache$spark$scheduler$TaskSetManager$$maybeFinishTaskSet(TaskSetManager.scala:530)
at org.apache.spark.scheduler.TaskSetManager.handleSuccessfulTask(TaskSetManager.scala:787)
at org.apache.spark.scheduler.TaskSchedulerImpl.handleSuccessfulTask(TaskSchedulerImpl.scala:466)
- locked <0x00000004404f25c0> (a org.apache.spark.scheduler.cluster.YarnClusterScheduler)
at org.apache.spark.scheduler.TaskResultGetter$$anon$3$$anonfun$run$1.apply$mcV$sp(TaskResultGetter.scala:113)
at org.apache.spark.scheduler.TaskResultGetter$$anon$3$$anonfun$run$1.apply(TaskResultGetter.scala:63)
at org.apache.spark.scheduler.TaskResultGetter$$anon$3$$anonfun$run$1.apply(TaskResultGetter.scala:63)
at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:2004)
at org.apache.spark.scheduler.TaskResultGetter$$anon$3.run(TaskResultGetter.scala:62)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"spark-dynamic-executor-allocation":
at org.apache.spark.scheduler.TaskSchedulerImpl.isExecutorBusy(TaskSchedulerImpl.scala:647)
- waiting to lock <0x00000004404f25c0> (a org.apache.spark.scheduler.cluster.YarnClusterScheduler)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$$anonfun$9.apply(CoarseGrainedSchedulerBackend.scala:613)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$$anonfun$9.apply(CoarseGrainedSchedulerBackend.scala:613)
at scala.collection.TraversableLike$$anonfun$filterImpl$1.apply(TraversableLike.scala:248)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at scala.collection.TraversableLike$class.filterImpl(TraversableLike.scala:247)
at scala.collection.TraversableLike$class.filter(TraversableLike.scala:259)
at scala.collection.AbstractTraversable.filter(Traversable.scala:104)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend.killExecutors(CoarseGrainedSchedulerBackend.scala:613)
- locked <0x00000004404f2518> (a org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend)
at org.apache.spark.ExecutorAllocationManager.removeExecutors(ExecutorAllocationManager.scala:481)
- locked <0x00000004442fb590> (a org.apache.spark.ExecutorAllocationManager)
at org.apache.spark.ExecutorAllocationManager.org$apache$spark$ExecutorAllocationManager$$schedule(ExecutorAllocationManager.scala:321)
- locked <0x00000004442fb590> (a org.apache.spark.ExecutorAllocationManager)
at org.apache.spark.ExecutorAllocationManager$$anon$2.run(ExecutorAllocationManager.scala:246)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
Deadlock between task-result-getter-thread and dispatcher-event-loop thread:
```
Found one Java-level deadlock:
=============================
"task-result-getter-2":
waiting to lock monitor 0x00007f9be88b2678 (object 0x00000003c0720ed0, a org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend),
which is held by "dispatcher-event-loop-23"
"dispatcher-event-loop-23":
waiting to lock monitor 0x00007f9bf077abb8 (object 0x00000003c0720f78, a org.apache.spark.scheduler.cluster.YarnClusterScheduler),
which is held by "task-result-getter-2"
Java stack information for the threads listed above:
===================================================
"task-result-getter-2":
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend.killExecutors(CoarseGrainedSchedulerBackend.scala:604)
- waiting to lock <0x00000003c0720ed0> (a org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend)
at org.apache.spark.scheduler.BlacklistTracker.killExecutor(BlacklistTracker.scala:153)
at org.apache.spark.scheduler.BlacklistTracker.org$apache$spark$scheduler$BlacklistTracker$$killBlacklistedExecutor(BlacklistTracker.scala:163)
at org.apache.spark.scheduler.BlacklistTracker$$anonfun$updateBlacklistForSuccessfulTaskSet$1.apply(BlacklistTracker.scala:257)
at org.apache.spark.scheduler.BlacklistTracker$$anonfun$updateBlacklistForSuccessfulTaskSet$1.apply(BlacklistTracker.scala:236)
at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:230)
at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
at scala.collection.mutable.HashMap.foreach(HashMap.scala:99)
at org.apache.spark.scheduler.BlacklistTracker.updateBlacklistForSuccessfulTaskSet(BlacklistTracker.scala:236)
at org.apache.spark.scheduler.TaskSetManager$$anonfun$org$apache$spark$scheduler$TaskSetManager$$maybeFinishTaskSet$1.apply(TaskSetManager.scala:530)
at org.apache.spark.scheduler.TaskSetManager$$anonfun$org$apache$spark$scheduler$TaskSetManager$$maybeFinishTaskSet$1.apply(TaskSetManager.scala:530)
at scala.Option.foreach(Option.scala:257)
at org.apache.spark.scheduler.TaskSetManager.org$apache$spark$scheduler$TaskSetManager$$maybeFinishTaskSet(TaskSetManager.scala:530)
at org.apache.spark.scheduler.TaskSetManager.handleFailedTask(TaskSetManager.scala:916)
at org.apache.spark.scheduler.TaskSchedulerImpl.handleFailedTask(TaskSchedulerImpl.scala:539)
- locked <0x00000003c0720f78> (a org.apache.spark.scheduler.cluster.YarnClusterScheduler)
at org.apache.spark.scheduler.TaskResultGetter$$anon$4$$anonfun$run$2.apply$mcV$sp(TaskResultGetter.scala:150)
at org.apache.spark.scheduler.TaskResultGetter$$anon$4$$anonfun$run$2.apply(TaskResultGetter.scala:132)
at org.apache.spark.scheduler.TaskResultGetter$$anon$4$$anonfun$run$2.apply(TaskResultGetter.scala:132)
at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:2005)
at org.apache.spark.scheduler.TaskResultGetter$$anon$4.run(TaskResultGetter.scala:132)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"dispatcher-event-loop-23":
at org.apache.spark.scheduler.TaskSchedulerImpl.resourceOffers(TaskSchedulerImpl.scala:321)
- waiting to lock <0x00000003c0720f78> (a org.apache.spark.scheduler.cluster.YarnClusterScheduler)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverEndpoint.org$apache$spark$scheduler$cluster$CoarseGrainedSchedulerBackend$DriverEndpoint$$makeOffers(CoarseGrainedSchedulerBackend.scala:248)
- locked <0x00000003c0720ed0> (a org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend)
at org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverEndpoint$$anonfun$receive$1.applyOrElse(CoarseGrainedSchedulerBackend.scala:136)
at org.apache.spark.rpc.netty.Inbox$$anonfun$process$1.apply$mcV$sp(Inbox.scala:117)
at org.apache.spark.rpc.netty.Inbox.safelyCall(Inbox.scala:205)
at org.apache.spark.rpc.netty.Inbox.process(Inbox.scala:101)
at org.apache.spark.rpc.netty.Dispatcher$MessageLoop.run(Dispatcher.scala:221)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
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