In this page http://spark.apache.org/docs/0.9.0/running-on-yarn.html
We have to use spark assembly to submit spark apps to yarn cluster. And I checked the assembly jars of spark. It contains some yarn classes which are added during compile time. The yarn classes are not what I want. My question is that is it possible to use other jars to submit spark app to yarn cluster. I do not want to use the assembly jar because it has yarn classes which may overwrite the yarn class in HADOOP_CLASSPATH. If the yarn cluster is upgraded, even if the YARN apis are same, spark has to be recompiled against to the new version of yarn. Any help is appreciated ! Thanks. -- Regards Gordon Wang
