Fluentd

ELI5 — The Vibe Check

Fluentd is a log router — it collects logs from everywhere and sends them wherever you want. Kubernetes? Send to Elasticsearch. Application logs? Send to S3 and Datadog. It's the postal service of the logging world, picking up packages from any source and delivering to any destination.

Real Talk

Fluentd is a CNCF graduated open-source data collector for unified logging. It uses a plugin architecture with 500+ input/output plugins to collect, parse, filter, and route log data. Fluent Bit is its lightweight sibling for edge and container environments.

When You'll Hear This

"Fluentd collects logs from all Kubernetes pods and routes them to Elasticsearch." / "We use Fluent Bit as the node-level forwarder and Fluentd as the aggregator."