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Medallion Architecture

数据工程经典的青铜 / 白银 / 黄金三层架构图。从原始数据到业务可用的数据产品，medallion 讲清每一层的职责。

数据分析开发文档技术方案
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Five-tier e-commerce analytics medallion Clickstream events and order records move from raw storage through anonymized, staging, and aggregated tiers before lifecycle archiving. MASK IDS CLEAN + JOIN AGGREGATE LIFECYCLE Raw raw-commerce Tool
NiFi ingest
 Format
JSON · Parquet
 Writer
Data Engineer
 E-COMMERCE EXAMPLE clickstream events order records Anonymized anon-commerce Tool
Trino SQL
 Format
Iceberg · partitioned
 Writer
Data Engineer
 E-COMMERCE EXAMPLE session pseudonyms masked customer IDs Staging staging-commerce Tool
Trino · notebooks
 Format
Iceberg · cleaned
 Writer
Data Scientist
 E-COMMERCE EXAMPLE joined order facts validated event rows Aggregated analytics-marts Tool
Trino INSERT
 Format
Iceberg · metrics
 Writer
Data Scientist
 E-COMMERCE EXAMPLE daily conversion rate revenue by channel Archive archive-commerce Tool
Object storage lifecycle
 Format
Cold tier · immutable
 Writer
Data Engineer
 E-COMMERCE EXAMPLE retained clickstream closed order snapshots SQL PATH Trino INSERT INTO … SELECT filter · join · aggregate — repeatable transforms NOTEBOOK PATH Python notebooks on object storage explore · validate · model — interactive analysis
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