Spark Compute 1-d histogram in spark Spark has a way to compute the histogram, however, it is kept under low level and sometimes obscure classes. In this post I'll give you a function that provides you with the desired values passing a dataframe. In the official documentation the only mention to histogram is in the DoubleRDDFunctions
Spark Present and future of graph processing with Spark Graphs have been around quite a while. In fact, the first paper in the history of graph theory was written by Euler himself in 1736! However, it wasn't until 142 years later when the term graph was introduced in a paper published in Nature. Despite those shiny names, graph applications
Spark Spark tricks For running a spark local cluster (one machine is represented by one threads). The * is to match the number of cores available on the machine. Put a number to force the number of threads desired. spark-shell --master local[*] If you run it locally, in order to assign more memory to
