strange pyspark behavior

2016-10-05 Thread Sourav Chakraborty 
Hi,

  Running into intermittent failures running a simple count on a small data
set with spark 2.0.0 with pyspark ( python 2.7).  Any pointers ?

16/10/05 17:09:22 ERROR Executor: Exception in task 0.0 in stage 15.0 (TID
38)

java.net.SocketException: Socket is closed

at java.net.Socket.getInputStream(Socket.java:903)

at org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:151)

at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:63)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.UnionRDD.compute(UnionRDD.scala:103)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:63)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:79)

at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:47)

at org.apache.spark.scheduler.Task.run(Task.scala:85)

at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)

at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:745)

16/10/05 17:09:22 WARN TaskSetManager: Lost task 0.0 in stage 15.0 (TID 38,
localhost): java.net.SocketException: Socket is closed

at java.net.Socket.getInputStream(Socket.java:903)

at org.apache.spark.api.python.PythonRunner.compute(PythonRDD.scala:151)

at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:63)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.UnionRDD.compute(UnionRDD.scala:103)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:63)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)

at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)

at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)

at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:79)

at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:47)

at org.apache.spark.scheduler.Task.run(Task.scala:85)

at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)

at

support for golang

2016-05-13 Thread Sourav Chakraborty 
Folks,
  Was curious to find out if anybody ever considered/attempted to support
golang with spark .

-Thanks
Sourav