[IBM YouTube](https://youtu.be/ZP0NmfyfsoM) ## Characteristics 1. Distributed, noSQL JSON based data store 2. Restful 3. Use cases: 1. Logs 2. metrics 3. App trace data ## ELK Stack - E: Elastic Search - L: Logstash - Input data from different sources -> Transform -> Stash - K: Kibana (Web-based UI, UI dashboard, widgets/visualization)