Debug-action-cache

if [ -d "$CACHE_PATH" ]; then echo "✅ Cache directory exists." echo "File count: $(find "$CACHE_PATH" -type f | wc -l)" echo "Total size: $(du -sh "$CACHE_PATH" | cut -f1)" echo "Top 10 largest files:" find "$CACHE_PATH" -type f -exec du -h {} + | sort -rh | head -10 echo "Cache timestamp: $(stat -c %y "$CACHE_PATH")" else echo "❌ Cache directory missing. This is a cache MISS." exit 1 fi

Enter the . Whether you are working with Bazel’s remote execution flags or custom CI scripts, debugging the action cache is the "black belt" skill of build engineering. What is the Action Cache? debug-action-cache

The "paper" or primary documentation for this feature describes a method for investigating why two seemingly identical build actions produce different cache hashes. In Bazel, this is often handled via the --experimental_remote_cache_eviction_retries or specifically by generating to compare inputs. Key Functions if [ -d "$CACHE_PATH" ]; then echo "✅

Before diving into debugging, it’s essential to understand what we’re fixing. Action caching stores the outputs of specific build steps (actions) based on their inputs. The logic is simple: What is the Action Cache