Fluent Bit is a lightweight, high-performance agent for collecting and forwarding logs, metrics, and traces. With a footprint of less than 5 MB, it efficiently handles millions of events per second while keeping CPU and memory usage low, making it well-suited for cloud-native and edge environments. Supporting more than 70 input, filter, and output plugins, Fluent Bit integrates with tools such as Elasticsearch, Loki, Splunk, and Kafka.