Fluentd

Fluentd is an open-source data collector for unified logging layer.

Why do we adopt this technology?

Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on.

Fluentd is a fully free and fully open-source log collector that instantly enables you to have a 'Log Everything' architecture with 125+ types of systems. 

Fluentd is a Graduated project at CNCF