debug-action-cache is a mindset + toolset for making caching transparent. Enable verbose logging, inspect via API, and run dry-restore jobs. Once you see exactly what key is generated, what files are stored, and why a hit/miss happens, fixing cache issues becomes straightforward.
: Use actions/cache/restore and actions/cache/save as separate steps to identify if the failure is during download or upload. 📊 Sample Debug Report Data debug-action-cache
The debug-action-cache technique is not about memorizing YAML syntax. It is about . The silent restore, the missing package, the 10-minute delay—all of these yield to the developer willing to flip the debug switch. debug-action-cache is a mindset + toolset for making
Print the hash of your lockfile at the very beginning of your job, and compare it across different runs. inspect via API