This is the final part of the deep dive series on understanding internals of Apache Spark Window Functions. In earlier sections, we...

In part 3 , we explored the internal workings of AggregateProcessor and how it evaluates expressions using our rank() window function...

In the previous post, we briefly alluded about AggregateProcessor without going into the depth. In this part, we will focus on its...

This is part 2 of deep dive series on understanding internals of Apache Spark Window Functions. Following our discussion of Spark's rank()...

This is part 1 of deep dive series on understanding internals of Apache Spark Window Functions. Introduction A window function in query...

Today's distributed systems are undoubtedly complex and varied, requiring different data consistency guarantees. Amongst all,...