Spark: increase number of partitions without causing a shuffle?

Question

When decreasing the number of partitions one can use coalesce, which is great because it doesn\'t cause a shuffle and seems to work instantly (doesn\'t require an a

Answer 1

Watch this space

https://issues.apache.org/jira/browse/SPARK-5997

This kind of really simple obvious feature will eventually be implemented - I guess just after they finish all the unnecessary features in Datasets.