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From "Jim Blomo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-1353) IllegalArgumentException when writing to disk
Date Sun, 30 Mar 2014 06:32:14 GMT
Jim Blomo created SPARK-1353:
--------------------------------

             Summary: IllegalArgumentException when writing to disk
                 Key: SPARK-1353
                 URL: https://issues.apache.org/jira/browse/SPARK-1353
             Project: Apache Spark
          Issue Type: Bug
          Components: Block Manager
         Environment: AWS EMR 3.2.30-49.59.amzn1.x86_64 #1 SMP  x86_64 GNU/Linux
            Reporter: Jim Blomo
            Priority: Minor


The Executor may fail when trying to mmap a file bigger than Integer.MAX_VALUE due to the
constraints of FileChannel.map (http://docs.oracle.com/javase/7/docs/api/java/nio/channels/FileChannel.html#map(java.nio.channels.FileChannel.MapMode,
long, long)).  The signature takes longs, but the size value must be less than MAX_VALUE.
 This manifests with the following backtrace:

java.lang.IllegalArgumentException: Size exceeds Integer.MAX_VALUE
        at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:828)
        at org.apache.spark.storage.DiskStore.getBytes(DiskStore.scala:98)
        at org.apache.spark.storage.BlockManager.doGetLocal(BlockManager.scala:337)
        at org.apache.spark.storage.BlockManager.getLocal(BlockManager.scala:281)
        at org.apache.spark.storage.BlockManager.get(BlockManager.scala:430)
        at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:38)
        at org.apache.spark.rdd.RDD.iterator(RDD.scala:220)
        at org.apache.spark.api.python.PythonRDD$$anon$2.run(PythonRDD.scala:85)



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