What to set `SPARK_HOME` to?

Question

Installed apache-maven-3.3.3, scala 2.11.6, then ran:

$ git clone git://github.com/apache/spark.git -b branch-1.4
$ cd spark
$ build/mvn -DskipTests clean pa         


        

Answer 1

Two environment variables are required:

SPARK_HOME=/spark
PYTHONPATH=$SPARK_HOME/python:$SPARK_HOME/python/lib/py4j-VERSION-src.zip:$PYTHONPATH