Tell Spark where Hadoop installation is. Store the logs in spark_dir instead of a temp dir so we only install spark once and then we only use start and stop scripts to get a cluster up and running.
Tell Spark where Hadoop installation is. Store the logs in spark_dir instead of a temp dir so we only install spark once and then we only use start and stop scripts to get a cluster up and running.

nlesc-sherlock/emma,nlesc-sherlock/emma,nlesc-sherlock/emma