What is this about?

https://github.com/amandeepbatra/killZombieZeppelinsAndSparkShells/wiki/Kill-those-Zombie-Zeppelins-&-Spark-Shells-!

How to execute this?

Prerequisites:

Python, EMR over Yarn, Should be run on EMR Master, Hadoop Web UI and Spark UI

To Run:

sh killZombiesSparkShellsZeppelins.sh Or setup as cron Job: */10 * * * * sh /mnt/yarnMetricsScripts/killZombies/killZombiesSparkShellsZeppelins.sh > /dev/null 2>/dev/null

Output:

appsRunning.txt : Will contain currently running apps in yarn in given queues (in yarnAppsRunning.py) sparkShell.txt: Currently running Spark Shells zeppelin.txt: Currently running Zeppelins killZombies.2016_09_12.log:

########## Start Thu Sep 8 06:30:01 UTC 2016 ########### ########## Spark Shell Processing ########### Spark shell not found so killing pid=5502 name=abc memory(KB)=2053520 Spark shell found pid=6196 name=validation-set memory(KB)=3370564 ########## Zepplin Processing ########### Zeppelin not found so killing pid=5741 memory(KB)=2247636 cid=52610 Zeppelin found pid=9785 name=amandeep-Zeppelin memory(KB)=1660872 cid=33721 ########## End ###########