Hi,
I am trying to run a custom Spark application on a Spark standalone cluster
on Amazon's EC2 infrastructure. So far I have successfully executed the
application on several m1.medium instances (each with one core). However,
when I try executing the very same application on some c1.medium instances
(each with two cores), a JVM crash occurs with no further information.
Is there any known issue with combining JNI and multiple cored instances?
Code piece:
/JavaRDD<String> result = file.mapPartitions(
new FlatMapFunction <Iterator<String> , String>()
{
@Override
public Iterable<String> call(Iterator <String> t) throws Exception {
ArrayList <String> tmp= new ArrayList <String>();
while(t.hasNext()){
tmp.add(t.next());
}
return Arrays.asList(myNativeFunc(arg1,arg2));
}
}).cache();/
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