{"id":"mapreduce-stats-tracks-records","text":"`job.stats` tracks `map_input_records`, `map_output_records`, `reduce_output_records`, worker counts, and elapsed time after each run","truth_value":"IN","source":"entries/2026/05/29/mapreduce-framework-test_mapreduce.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"mapreduce-stats-tracks-records","truth_value":"IN","reason":"premise"}]}}