org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter$SpillableIterator.spill(UnsafeExternalSorter.java:525)
org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.spill(UnsafeExternalSorter.java:200)
org.apache.spark.memory.TaskMemoryManager.acquireExecutionMemory(TaskMemoryManager.java:180) => holding Monitor(org.apache.spark.memory.TaskMemoryManager@1998976567})
org.apache.spark.memory.TaskMemoryManager.allocatePage(TaskMemoryManager.java:283)
org.apache.spark.memory.MemoryConsumer.allocatePage(MemoryConsumer.java:117)
org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.acquireNewPageIfNecessary(UnsafeExternalSorter.java:383)
org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.insertRecord(UnsafeExternalSorter.java:407)
org.apache.spark.sql.execution.UnsafeExternalRowSorter.insertRow(UnsafeExternalRowSorter.java:135)
org.apache.spark.sql.execution.UnsafeExternalRowSorter.sort(UnsafeExternalRowSorter.java:217)
org.apache.spark.sql.execution.SortExec$$anonfun$1.apply(SortExec.scala:108)
org.apache.spark.sql.execution.SortExec$$anonfun$1.apply(SortExec.scala:101)
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:836)
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:836)
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:49)
org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
org.apache.spark.rdd.RDD.iterator(RDD.scala:288)
org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
org.apache.spark.scheduler.Task.run(Task.scala:109)
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:345)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)