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Apache,

Apache Spark Quickstart Packages

We are pleased to announce three Apache Spark Quickstart Packages. The packages are designed for companies that want to explore and evaluate Apache Spark. Example Use Cases The quickstart packages…
Uli Bethke May 15, 2017
analytic functions,

Window Functions (aka Analytic Functions) in Spark.

As of Spark 1.4.0 we now have support for window functions (aka analytic functions) in SparkSQL. At Sonra we are heavy users of SparkSQL to handle data transformations for structured…
Uli Bethke July 3, 2015
Big Data,

In-memory analytics with Tableau, SparkSQL, and MapR

Last week Tableau released version 9.0 of their data visualisation tool. From a Big Data point of view the nicest new feature was support for querying cached (in-memory) SchemaRDDs (Data…
Uli Bethke April 16, 2015