updated streaming supervision features scorecard (added flink)

added apache flink to the comparison grid of kafka streams, spark streaming, and storm focused on the features they offer the operations side of the devops formula — it measures up well

batch as a “special case” of flink streaming (yes, now we’re mv’ing streaming back to batch)

the third part of a loosely coupled trilogy on flink batch and streaming that take us full-circle with the collapse of the DataSet API into the DataStream API — i’m not sure Run-D.M.C. could make this less tricky

big data api’s look a lot alike (code comparison with flink, kafka, spark, trident and pig)

exploring the similarity of the APIs from flink, kafka streams, spark (RDDs & DFs), storm’s trident and yes, even good old pig by implementing the canonical word count solution with each framework

joining spark dataframes with identical column names (not just in the join condition)

a quick walkthru of spark sql dataframe code showing joining scenarios when both tables have columns with the same name; this includes when they are used in the join condition as well as when they are not

hive’s merge statement (it drops a lot of acid)

hive’s merge command provides another option for acid transactioning beyond insert, update and delete — this post walks you through a simple example and looks at the underlying filesystem at all the base, delta and delta_delete files that are created to support this standard sql command