THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
On Ambari-server machine use the configs.sh script to set new value (say new_spark)
Code Block > cd /var/lib/ambari-server/resources/scripts > ./configs.sh -u admin -p admin set localhost c1 spark-env spark_user new_spark
- Restart Spark service
- Verify service check passed
...