Grafana Labs が開発している OSS のロギングツール(以降、Lokiと記載) - latest: v1.3.0 - KubeCon NA 2018 で発表、翌年同イベントでGA - Go 言語で開発 like Prometheus, but for logs. Grafana Loki とは https://github.com/grafana/loki
level = “error” } “ component A is not available ” { application = “alpha”, level = “error” } “ component B is not available ” { application = “alpha”, level = “info” } “ service Alpha is restarted ” StreamID : 2abb13… StreamID : b4f788… chunk chunk StreamID : 2abb13… index index Grafana Loki Promtail (target)