[HA] Is it possible to remove external dependency caused by high-availability.zookeeper.storageDir

Hi, As for lots of companies, we have different architectures for near-time/off-line analytics platform (fink vs hadoop), so we may not want flink cluster to depend on a shared HDFS as an additional dependency to operate especially we may deploy the streaming stack all on k8s including kafka/flink

[jira] [Created] (FLINK-4520) Integrate Siddhi as a lightweight CEP Library

Hao Chen created FLINK-4520: --- Summary: Integrate Siddhi as a lightweight CEP Library Key: FLINK-4520 URL: https://issues.apache.org/jira/browse/FLINK-4520 Project: Flink Issue Type: New Feature