Storm 2.6.0.2 -

Apache Storm remains a cornerstone for real-time stream processing, offering millisecond-latency guarantees that many micro-batch engines cannot match. The release of Storm 2.6.0.2 (a follow-up patch on the 2.6.x line) refines the experience for production users—emphasizing reliability, resource management, and smoother containerized deployments.

worker.childopts: "-XX:+UseG1GC -XX:+PrintGCDetails --add-opens java.base/java.lang=ALL-UNNAMED" storm 2.6.0.2

| Area | Improvement in 2.6.0.2 | |------|------------------------| | Serialization | Reduced GC pressure by reusing Kryo instances per worker; deserialization speed increased by ~12% in benchmarks using custom objects. | | ZooKeeper Heartbeats | Heartbeat writes are now batched for topologies with >500 tasks, cutting ZK node write rate by 40%. | | UI Performance | Storm UI’s /api/v1/topology/summary now paginates results, preventing timeouts for clusters with >1000 topologies. | Apache Storm remains a cornerstone for real-time stream