Debug-action-cache -

Is this happening on , CI runners , or across both environments? Share public link

Use compiler flags like -Xmacro-settings:materializeSourceRelative in Scala or -fdebug-prefix-map in C++ to remove absolute paths from compiled objects.

[debug] Using key: 'build-cache-$ github.sha ' [debug] Cache created on: windows-2022 debug-action-cache

Or use the community action actions/delete-cache with that exact key.

The save phase often runs as a post-job step, which is why its logs can be easy to miss. After your job's main commands finish, the actions/cache step will attempt to save the contents of the path you specified using the same key . Is this happening on , CI runners ,

Keywords: debug-action-cache, GitHub Actions cache debugging, CI/CD optimization, cache key troubleshooting, ephemeral runner storage.

debug-action-cache is less a single command and more of an investigative methodology. It involves a structured sequence of steps to diagnose and resolve caching issues. Typically, a seasoned engineer will approach a cache failure in the following order: The save phase often runs as a post-job

[debug] Download speed: 45.2 MB/s [debug] Parallel chunks: 4 [debug] Validation: SHA256 matches expected

is a specialized diagnostic parameter and workflow used in modern Continuous Integration and Continuous Deployment (CI/CD) pipelines—most notably within GitHub Actions and Bazel build systems. It allows developers to inspect, troubleshoot, and optimize the cached layers of a build process when automation workflows fail or exhibit flaky behavior.