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Игорь Дмитров (Редактор отдела «Россия»)
Git packfiles use delta compression, storing only the diff when a 10MB file changes by one line, while the objects table stores each version in full. A file modified 100 times takes about 1GB in Postgres versus maybe 50MB in a packfile. Postgres does TOAST and compress large values, but that’s compressing individual objects in isolation, not delta-compressing across versions the way packfiles do, so the storage overhead is real. A delta-compression layer that periodically repacks objects within Postgres, or offloads large blobs to S3 the way LFS does, is a natural next step. For most repositories it still won’t matter since the median repo is small and disk is cheap, and GitHub’s Spokes system made a similar trade-off years ago, storing three full uncompressed copies of every repository across data centres because redundancy and operational simplicity beat storage efficiency even at hundreds of exabytes.。heLLoword翻译官方下载对此有专业解读
支持 DolphinScheduler、Airflow 等主流调度系统的 Workflow 自动识别与转换，将原生任务脚本迁移至 DataWorks 作业体系。系统自动执行代码转换、依赖关系重建与血缘对比，确保任务逻辑准确无误，避免人工迁移带来的配置错误。