Apache Beam stateful transforms articles

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Articles tagged with Apache Beam stateful transforms. There are 2 article(s) corresponding to the tag Apache Beam stateful transforms. If you don't find what you're looking for, please check related tags: access pattern, Ad-hoc polymorphism, Akka Distributed Data, Akka examples, Apache Spark 2.4.0 features, Apache Spark data sources, Apache Spark elasticity, Apache Spark internals, Apache Spark scalability, Apache Spark SQL subquery.

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Dealing with state lifecycle in Apache Beam

As we saw in the previous post, Apache Beam brings the possibility to deal with state. However, as we learned there, the state itself allows only to keep something in memory during the window duration. After that, the state is removed. But thanks to another Beam's feature called timers we can deal with the expiring state just before its removal from the state store. Continue Reading →

Stateful processing in Apache Beam

Real-time processing is most of the time somehow related to stateful processing. Either we need to solve some sessionization problem, count the number of visitors per minute etc. Not surprisingly Apache Beam comes with the API adapted to put in place the solutions to them. Continue Reading →