Aggregations

Jan 15, 2019
Big Data

Flink DataSet API: Transformations, Joins, and Aggregations

Previous: Batch Analytics with Apache Flink: The New Challenger

In the last post, we got Flink up and running. Now, let’s actually do something useful with it. Chapter 8 of Sridhar Alla’s book focuses on the DataSet API, which is what you’ll use for all your batch processing needs.

Jan 11, 2019
Big Data

Spark SQL and Aggregations: Joining Your Data at Scale

Previous: Batch Analytics with Apache Spark: Faster Than MapReduce

In the last post, we looked at why Spark is so fast. Today, we’re getting into the nitty-gritty of how to actually use it. If you’re a SQL fan, you’re going to love this. Chapter 6 of Sridhar Alla’s book spends a lot of time on Spark SQL, and for good reason - it’s where most of the work happens.

Aggregations

Flink DataSet API: Transformations, Joins, and Aggregations

Spark SQL and Aggregations: Joining Your Data at Scale

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