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https://issues.apache.org/jira/browse/SPARK-10341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Reynold Xin resolved SPARK-10341.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

> SMJ fail with unable to acquire memory
> --------------------------------------
>
>                 Key: SPARK-10341
>                 URL: https://issues.apache.org/jira/browse/SPARK-10341
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.5.0
>            Reporter: Davies Liu
>            Assignee: Davies Liu
>            Priority: Critical
>             Fix For: 1.5.0
>
>
> In SMJ, the first ExternalSorter could consume all the memory before 
> spilling, then the second can not even acquire the first page.
> {code}
> ava.io.IOException: Unable to acquire 16777216 bytes of memory
>       at 
> org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.acquireNewPage(UnsafeExternalSorter.java:368)
>       at 
> org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.<init>(UnsafeExternalSorter.java:138)
>       at 
> org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.create(UnsafeExternalSorter.java:106)
>       at 
> org.apache.spark.sql.execution.UnsafeExternalRowSorter.<init>(UnsafeExternalRowSorter.java:68)
>       at 
> org.apache.spark.sql.execution.TungstenSort.org$apache$spark$sql$execution$TungstenSort$$preparePartition$1(sort.scala:146)
>       at 
> org.apache.spark.sql.execution.TungstenSort$$anonfun$doExecute$3.apply(sort.scala:169)
>       at 
> org.apache.spark.sql.execution.TungstenSort$$anonfun$doExecute$3.apply(sort.scala:169)
>       at 
> org.apache.spark.rdd.MapPartitionsWithPreparationRDD.compute(MapPartitionsWithPreparationRDD.scala:45)
>       at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
>       at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
>       at 
> org.apache.spark.rdd.ZippedPartitionsRDD2.compute(ZippedPartitionsRDD.scala:88)
>       at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)
>       at org.apache.spark.rdd.RDD.iterator(RDD.scala:264)
>       at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
>       at org.apache.spark.scheduler.Task.run(Task.scala:88)
>       at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> {code}



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