I've recently learned a little about elk:
ELK consists of three open source tools, Elasticsearch, Logstash and Kiabana
Official website: https://www.elastic.co/products
| Elasticsearch is an open source distributed search engine, it features: distributed, 0 configuration, automatic discovery, Index auto-shard, index copy mechanism, RESTful style interface, multi-data source, automatic search load, etc.
L Logstash is a fully open source tool that collects, analyzes, and stores your logs for later use (for example, search).
L Kibana is also an open source and free tool that Kibana can provide for Logstash and Elasticsearch log Analytics friendly Web interface that can help you summarize, analyze, and search for important data logs.
For the time being do not need detailed understanding, the company has the integration in the product, has the timing to refer to: HTTP://WWW.TUICOOL.COM/ARTICLES/QFVARFR
Open source real-time log analytics Elk Platform Deployment