What are the best practices for Docker storage drivers?

What are the best practices for Docker storage drivers?

When using Docker storage drivers, it's important to choose the right driver for your workload, optimize performance, and ensure data integrity. Some best practices include using the overlay2 driver for modern systems, regularly monitoring storage usage, and configuring proper backup strategies.

Why is overlay2 recommended over other drivers?

Overlay2 is recommended because it offers better performance and lower overhead compared to older drivers like aufs. It also supports features like copy-on-write and is more efficient in handling large numbers of layers.

How can I monitor the performance of my storage driver?

You can monitor the performance of your storage driver using tools like Docker stats, Prometheus, or Grafana. These tools can help you track metrics such as I/O performance, latency, and storage usage.

What should I do if I encounter storage issues?

If you encounter storage issues, first check the logs for any error messages. You can also try cleaning up unused images and containers, adjusting storage driver settings, or switching to a different driver if necessary.