Unsurprisingly, Python dominated among big data developers that use Apache Spark analytics engine, with 66% citing Python as the language they use with Spark, followed by Java at 34% and Scala at 11%.

Python has scaled to the top of the monthly PyPL language popularity index, overtaking Java. Also on the rise, in the rival Tiobe index, is Scala, which has again cracked the index’s Top 20.