{"id":"mapreduce-results-deterministic","text":"`MapReduceJob.run()` produces identical output regardless of `num_mappers`/`num_reducers` configuration for the same input data — the shuffle/partition step is deterministic","truth_value":"IN","source":"entries/2026/05/29/mapreduce-framework-test_mapreduce.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"mapreduce-results-deterministic","truth_value":"IN","reason":"premise"}]}}