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Here are the details for my talk @ Oracle Code (a track at JavaOne 2017) – Streaming Solutions for Real time problems (Stream Processing solutions using Apache Kafka, Kafka Streams and Redis) Code (Github) – https://github.com/abhirockzz/accs-ehcs-stream-processing Video Slides Streaming Solutions for … Continue reading
This blog explores some common aspects of state stores in Kafka Streams… Default state store By default, Kafka Streams uses the RocksDB as it’s default state store In-memory or persistent ? This parameter of the state store is configurable. RocksDB can … Continue reading
Here is another example of a Kafka Streams based application.. this time, it’s about running it in Docker containers – spawn more containers to distribute the processing load. More details in the README Cheers!
A Kafka Streams sample application is available on Github… This is a microservice (packaged in form of an Uber JAR) which uses the Kafka Streams Processor (low level) API to calculate the Cumulative Moving Average of the CPU metrics of each machine … Continue reading
If you use the groupByKey function on a KStream without specifying a Serdes, the (one configured in the StreamsConfig will be used by default e.g. in the below snippet, it’s Serdes.String(). As a result, you will face a ClassCastExcpetion in case you execute … Continue reading