Storm — 2.6.0.2

The processing units that transform, filter, aggregate, or store data streams. Key Enhancements in Storm 2.6.0.2

If you are using “Storm 2.6.0.2”:

While Storm’s native Kafka spout (org.apache.storm.kafka.spout.KafkaSpout) has “at-least-once” guarantees, the exact once (transactional) mode had a bug in offset management under replay scenarios. corrects the KafkaSpoutRetryExponentialBackoff logic, preventing duplicate offset commits. storm 2.6.0.2

The 2.6.x series (including 2.6.2) focuses on refining the robust 2.x codebase. The 2.6.2 release, in particular, prioritizes reliability over new feature bloat. 1. Library and Dependency Updates The processing units that transform, filter, aggregate, or

Back up your Zookeeper state paths and the local directory data on the Nimbus node. Library and Dependency Updates Back up your Zookeeper

continues the tradition of being fail-fast and stateless . If a worker node fails, the Nimbus (master) node automatically reassigns the task to another healthy supervisor, ensuring no data loss. Apache Storm

: Routes the entirety of the stream to a single task instance within the target bolt. 3. Key Enhancements in the Storm 2.6.x Release Train