Fluent Bit: Official Manual
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1.8
Fluent Bit v1.8 Documentation
About
What is Fluent Bit ?
A Brief History of Fluent Bit
Fluentd & Fluent Bit
License
Concepts
Key Concepts
Buffering
Data Pipeline
Installation
Getting Started with Fluent Bit
Upgrade Notes
Supported Platforms
Requirements
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Linux Packages
Docker
Containers on AWS
Amazon EC2
Kubernetes
Yocto / Embedded Linux
Windows
Administration
Configuring Fluent Bit
Security
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Networking
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Monitoring
Dump Internals / Signal
HTTP Proxy
Local Testing
Validating your Data and Structure
Running a Logging Pipeline Locally
Data Pipeline
Pipeline Monitoring
Inputs
Node Exporter Metrics
Collectd
CPU Metrics
Disk I/O Metrics
Docker Metrics
Docker Events
Dummy
Exec
Forward
Head
HTTP
Health
Kernel Logs
Memory Metrics
MQTT
Network I/O Metrics
Process Metrics
Random
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Standard Input
StatsD
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Tail
TCP
Thermal
Windows Event Log
Parsers
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Outputs
Stream Processing
Introduction to Stream Processing
Overview
Changelog
Getting Started
Fluent Bit for Developers
C Library API
Ingest Records Manually
Golang Output Plugins
Developer guide for beginners on contributing to Fluent Bit
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Docker Metrics
The docker input plugin allows you to collect Docker container metrics such as memory usage and CPU consumption.
Content:

Configuration Parameters

The plugin supports the following configuration parameters:
Key
Description
Default
Interval_Sec
Polling interval in seconds
1
Include
A space-separated list of containers to include
​
Exclude
A space-separated list of containers to exclude
​
If you set neither Include nor Exclude, the plugin will try to get metrics from all the running containers.

Configuration File

Here is an example configuration that collects metrics from two docker instances (6bab19c3a0f9 and 14159be4ca2c).
1
[INPUT]
2
Name docker
3
Include 6bab19c3a0f9 14159be4ca2c
4
[OUTPUT]
5
Name stdout
6
Match *
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This configuration will produce records like below.
1
[1] docker.0: [1571994772.00555745, {"id"=>"6bab19c3a0f9", "name"=>"postgresql", "cpu_used"=>172102435, "mem_used"=>5693400, "mem_limit"=>4294963200}]
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Contents
Configuration Parameters
Configuration File