Log queue receiving a java program delivery message: Kafka logstash: log analysis, format data is json and output to es in elasticsearch: real-time searches search engine, stores data kibana: based on data es visual components, query data ELK + Kafka log system principles (medium for the log) Windows / Linux's logstash (clients) ---> kafka (queue) ---> logstash on kakfa (also a client) ---> ES (storage) ---> kibana (interface) core is logstash profile
