Preventing Cache Races

RWX has introduced cache-race prevention to improve its automatic CI/CD caching, particularly for teams running large monorepos where identical tasks may execute concurrently. Previously, two tasks sharing a cache key could both miss the cache, run the same commands, and independently write duplicate results, consuming unnecessary compute. Under the new behavior, when a second task detects that another in-progress task has the same cache key, it waits for the first task to finish and then uses its cached result. RWX says this change reduces redundant work, increases cache hits, and improves build reliability, while displaying a UI message to explain when a task is waiting for an equivalent task to complete.

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