FastDFS Prometheus Exporter

Prometheus exporter for FastDFS that exposes metrics for monitoring storage capacity, performance, and health.

Metrics Exposed

• Storage capacity and usage - Total/free space per group and storage server
• Upload/download rates - Operation counts and bytes transferred
• Connection counts - Current and maximum connections
• Error rates - Failed operations (calculated from total vs success)
• Sync status and delays - Sync bytes and heartbeat delays
• Disk I/O statistics - Operation counts (upload, download, delete, append, modify)
• Network throughput - Bytes uploaded/downloaded

Build

make

Prerequisites: FastDFS client library, FastCommon library, GCC

Usage

./fdfs_exporter /etc/fdfs/client.conf [port]

• Default port: 9898
• Metrics endpoint: http://localhost:9898/metrics

Example:

./fdfs_exporter /etc/fdfs/client.conf 9898

Prometheus Configuration

scrape_configs:
  - job_name: 'fastdfs'
    static_configs:
      - targets: ['localhost:9898']
    scrape_interval: 30s

Grafana Dashboard

Import grafana_dashboard.json into Grafana for pre-built visualizations.

License

GPL V3