How to suppress printing of variable values in zeppelin

Given the following snippet:

val data = sc.parallelize(0 until 10000)
val local = data.collect 
println(s"local.size")

Zeppelin prints out the entire value of local to the notebook screen. How may that behavior be changed?

Solution

Since 0.6.0, Zeppelin provides a boolean flag zeppelin.spark.printREPLOutput in spark's interpreter configuration (accessible via the GUI), which is set to true by default. If you set its value to false then you get the desired behaviour that only explicit print statements are output.

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