Hi, On Tue, Jan 22, 2019 at 11:30 AM Pola Yao <pola....@gmail.com> wrote: > "Thread-1" #19 prio=5 os_prio=0 tid=0x00007f9b6828e800 nid=0x77cb waiting on > condition [0x00007f9a123e3000] > java.lang.Thread.State: WAITING (parking) > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <0x00000005408a5420> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) > at > java.util.concurrent.LinkedBlockingQueue.put(LinkedBlockingQueue.java:350) > at > org.apache.spark.scheduler.AsyncEventQueue.stop(AsyncEventQueue.scala:131)
This looks a little weird. Are you sure this thread is not making any progress (i.e. did you take multiple stack snapshots)? I wouldn't expect that call to block. At first I was suspicious of SPARK-24309 but that looks different from what you're seeing. -- Marcelo --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org
