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User Defined Aggregations with Spark in DSE 5.0

By Robert Stupp - August 1, 2016

There are already a couple of blog posts and presentations about UDF/UDA. But for those who do not know how to use Cassandra User Defined Functions (UDF) and User Defined Aggregates (/UDA), here is a short introduction on how to use them from Spark to push down partition-level aggregations.

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