added fluentd

radar/2021-01-01/fluentd.md

@@ -0,0 +1,9 @@
+---
+title:      "Fluentd"
+ring:       assess
+quadrant:   tools
+
+---
+**Fluentd** is a great tool to gather logs, transform them into any required format and distribute them to any logging backend.
+
+At AOE we use fluentd in different contexts, but mostly to gather logs from kubernetes clusters into data backends like Elasticsearch.