{"id":"mr-intermediate-data-uses-json-files","text":"Intermediate shuffle data is serialized as JSON files in a temp directory with naming convention `map-{mapper_id}-part-{partition}.json`.","truth_value":"IN","source":"entries/2026/05/29/mapreduce-framework-mapreduce.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"mr-intermediate-data-uses-json-files","truth_value":"IN","reason":"premise"}]}}