Set log level in spark-shell in spark REPL Environment

Follow the below steps .

1. Add the Logger 

import org.apache.log4j.Logger

2. Add the Level

import org.apache.log4j.Level
3.Set the Log Level (Here we are setting the Level to "org" package)
Logger.getLogger("org").setLevel(Level.INFO)  (We can add any Level Like  DEBUG,ERROR,TRACE,OFF )