January 2019
Beginner to intermediate
154 pages
4h 31m
English
Content preview from Apache Spark Quick Start Guide
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Microbatch
Instead of processing each record or event at a time, Spark receiver's receive data in parallel and keep it in a buffer of Spark worker nodes. Then, Spark's engine runs tasks over these discretized streams, also called microbatches.
A microbatch is created based on a time window, instead of a number of messages.
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