Debug-action-cache Jun 2026

To effectively debug, you must first understand what a successful cache operation looks like from the inside. When actions/cache runs with step debug logs enabled, it reveals a precise process.

- name: Inspect node_modules run: | du -sh node_modules ls -la node_modules | head -20 debug-action-cache

When debug logging is enabled, your Action logs will include these specific markers: Description ##[debug]Resolved Keys: Shows the actual string used to find existing caches. ##[debug]Cache service version: Identifies the API version (e.g., v2). To effectively debug, you must first understand what