AWS Summit Seoul 2023 | 실시간 CDC 데이터 처리! Modern Transactional Data Lake 구축하기
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CDC 기반 upserting 기능을 제공하는 Transactional Data Lake를 Apache Iceberg와 AWS Glue를 이용해서 구축하는 방법을 소개합니다. MySQL과 같은 RDS에서 발생하는 CDC 데이터를 Amazon Kinesis 또는 MSK를 통해서 실시간으로 S3에 Apache Iceberg 포맷으로 저장하는 Transactional Data Lake 아키텍처를 소개합니다.
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AWS Summit Seoul 2023 | 실시간 CDC 데이터 처리! Modern Transactional Data Lake 구축하기
- 1. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. S E O U L | M A Y 4 , 2 0 2 3
- 2. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. CDC ! Modern Transactional Data Lake AWS
- 3. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Agenda • Append-Only • CDC-based UPSERT ▪ View ▪ Open Table Formats – Apache Iceberg, Hudi, Delta Lake • Modern Transactional Data Lake Architecture
- 4. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. CRM IoT WEB Messages CDC* Event Streams * CDC: Change Data Capture RDBMS Data Insights
- 5. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. RDBMS Scalability RDBMS (Replica) RDBMS (Primary) Query Engine (1) Storage Query Engine (2) Query Engine (3) Storage interface Scale-Out Scale-Out Primary-Replica Cluster RDBMS (Primary) Scale-Up RDBMS (Replica) Scale-Out Replica Primary Distributed File System RDBMS
- 6. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. DFS* Stream Storage Data Lake Data Mart AI/ML CRM IoT WEB Messages CDC Event Streams Data Lake * DFS: Distributed File System Data Ware house Stream Delivery
- 7. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. CRM IoT WEB Messages CDC Event Streams Data Lake Amazon Kinesis Data Streams Amazon Kinesis Data Firehose Amazon Athena Amazon S3 Data Lake Amazon QuickSight
- 8. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. IMMUTABLE Objects Distributed CAN NOT Update/Delete In-Place Insert (Append)-Only interface (HTTPS, SDK APIs) Transactional (X) MUTABLE Records Files per tables Update/Delete In-Place Insert/Update/Delete table1 table2 table3 RDBMS Transactional (O) RDBMS vs. S3 (≈ Distributed Object Storage) File System File System File System Amazon S3
- 9. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. RDBMS CDC CDC Update/Delete ? Amazon Kinesis Data Streams Amazon Kinesis Data Firehose Amazon Athena Amazon S3 AWS DMS datalake/ year=2023/month=05/day=03/hour=01/ obj1.parquet obj2.parquet … year=2023/month=05/day=03/hour=02/ updated-obj1.parquet … Data Lake Operation Changed Data I, pk1, c1, c2, t1 U, pk1, c1, c2, t2 D, pk0, c1, c2, t3
- 10. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. View UPSERT : Merge-On-Read RDBMS Updated/ Deleted Data Inserted Data View Table Operation Changed Data I, pk1, c1, c2, t1 U, pk1, c1, c2, t2 I, pk1, c1, c2, t1 U, pk1, c1, c2, t2 D, pk0, c1, c2, t3 I, pk1, c1, c2, t1 U, pk1, c1, c2, t2 I, pk0, c1, c2, t0 D, pk0, c1, c2, t3 I, pk0, c1, c2, t0
- 11. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. View UPSERT : Merge-On-Read RDBMS Updated/Deleted Data Inserted Data View Table Amazon S3 Amazon Athena Amazon Redshift Logical View Materialized View CDC
- 12. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Logical View vs. Materialized View CREATE VIEW view_tbl AS SELECT * FROM org_tbl, delta_tbl SELECT * FROM view_tbl SELECT * FROM ( SELECT * FROM org_tbl, delta_tbl ) SELECT * FROM view_tbl Materialized View Logical View org_tbl Amazon S3 view_tbl + delta_tbl
- 13. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Redshift Materialized Views
- 14. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Kinesis Data Streams Amazon Redshift / Redshift Serverless Permanent Tables Real-time Materialized View Streaming Table … … Amazon QuickSight Amazon MSK Amazon Redshift Streaming Ingestion M A T E R I A L I Z E D V I E W Auto Refresh Data Source
- 15. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. t1 t2 Inserted Data (t1) Amazon S3 Inserted Data (t2) + + a b c d e f Merge & Compaction time Data Size Updated/ Deleted Data (t1) Updated/ Deleted Data (t2)
- 16. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. year=2022/month=01/day=01/hour=00/ p1.parquet p2.parauet year=2022/month=02/day=01/hour=00/ ... year=2022/month=12/day=01/hour=00/ ... year=2023/month=01/day=02/hour=00/ p1.parquet p2.parauet year=2023/month=01/day=02/hour=01/ p1.parquet p2.parauet S3 Glacier Deep Archive S3 Standard Logical View Update/ Delete View Merge-On-Read
- 17. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Logical View • – Read , • • = Merge & Compaction + •
- 18. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Real-time Materialized View org_tbl delta_tbl Auto Refresh Streaming Table Permanent Table Materialized View Amazon Redshift Data Volume Data Volume Data Volume t1 tN time t2 Data Size Unlimited Data Volume .....
- 19. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Real-time Materialized View org_tbl delta_tbl Auto Refresh Table data files commit log Merge-On-Read Streaming Table Permanent Table Amazon S3 Materialized View S3 ? Amazon Redshift
- 20. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Table data files commit log Merge-On-Read Amazon S3 “Table Format” = Layout of Files in Table commit_log date=2023-01-01
- 21. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon S3 RDBMS RDBMS Index Field1 (v1, t1) Files binlog Read Field1 (v2, t2) my_table/ date=2023-01-01/ file-1.parquet ...... file-2.parquet ...... commit_log/ 00000.json 00001.json ...... Amazon S3 Write t1 t2 time Table data files Merge-On-Read commit log Insert file-1.parquet Insert file-2.parquet Delete file-1.parquet
- 22. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. “Table Format” = Layout of Files in Table O P E N T A B L E F O R M A T S
- 23. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Apache Hudi © hudi.apache.org
- 24. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Apache Hudi © hudi.apache.org
- 25. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Apache Iceberg s0 Data Snapshots t0 t1 Partition File Location Schema Format Stats Write & Commit time Snapshots: State of table at some time s1
- 26. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Apache Iceberg M E T A D A T A F I L E S T O T R A C K D A T A schema, partitions, snapshots list of files and mappings to snapshots tracks data files and statistics © iceberg.apache.org
- 27. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Apache Iceberg M E T A D A T A F I L E S T O T R A C K D A T A my_table/ ├── metadata/ │ ├── 00000.metadata.json │ ├── 00001.metadata.json │ ├── 00002.metadata.json │ ....... │ ├── a39f-e190-b871-ac8e5b-m0.avro │ ├── a39f-e190-b871-ac8e5b-m1.avro │ ├── a39f-e190-b871-ac8e5b-m2.avro │ ....... │ ├── snap-1954-1-2e934.avro │ ├── snap-4381-1-255b.avro │ ├── snap-4866-1-8bf57.avro └── data/ ├── date=2023-01-01 │ └── file-1.parquet └── date=2023-01-02 └── file-2.parquet © iceberg.apache.org
- 28. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Delta Lake my_table/ ├── _delta_log │ ├── 00000.json │ ├── 00001.json │ ├── 00002.json │ ....... │ ├── 00010.json │ └── 00010.checkpoint.parquet ├── date=2023-01-01 │ └── file-1.parquet └── date=2023-01-02 └── file-2.parquet Transaction Log Single commits Checkpoint Files (Optional) Partition Directories Data Files Add 1.parquet Add 2.parquet Remove 1.parquet Remove 2.parquet Add 3.parquet
- 29. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Open Table Formats – Iceberg, Hudi, Delta Lake Apache Iceberg Hudi Delta Lake ACID Yes Yes Yes Partition Evolution Yes No No Schema Evolution Yes Partial Limited Time Travel Yes Yes Yes Merge Yes Yes Yes Compaction API based Manual Automated Data Format Parquet, Avro, ORC, CSV Parquet, ORC Parquet Current Pointer Metastore, File system with version File Timeline commit Transaction log Conflict Resolution Optimistic Optimistic Optimistic Programming Language Java & Python Scala, Java & Python Java & Python
- 30. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Modern Transactional Data Lake
- 31. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Typical Data Pipeline & Data Lake AWS DMS Amazon Kinesis Data Streams Amazon Athena Amazon S3 Amazon RDS Payments • : Insert • : Update • : Delete • : Append Only Amazon Kinesis Data Firehose Data Source Data Pipeline Data Lake User Profile
- 32. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. CDC-based UPSERT Data Lake AWS DMS Amazon Kinesis Data Streams Amazon Athena Amazon S3 Amazon RDS Amazon Kinesis Data Firehose S3 User Profile iceberg Payments parquet, orc, avro iceberg, hudi, delta lake Athena Hudi Iceberg Delta Lake Insert X O X Delete X O X Select O O O
- 33. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. CDC-based UPSERT Data Lake AWS DMS Amazon Kinesis Data Streams Amazon Athena Amazon S3 Amazon RDS S3 User Profile iceberg Payments parquet, orc, avro iceberg, hudi, delta lake Athena Hudi Iceberg Delta Lake Insert X O X Delete X O X Select O O O AWS Glue Flink / Spark Amazon EMR Open Source Serverless Fully Managed
- 34. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. CDC-based UPSERT Data Lake AWS DMS Amazon Kinesis Data Streams Amazon Athena Amazon S3 Amazon RDS AWS Glue Streaming Operation Changed Data I, pk1, c1, c2, t1 U, pk1, c1, c2, t2 D, pk0, c1, c2, t3 CDC { JSON }
- 35. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Transactional Data Lake AWS DMS Amazon Kinesis Data Streams AWS Glue Streaming Amazon Athena Amazon S3 Amazon RDS AWS DMS Amazon Kinesis Data Streams Amazon Athena Amazon S3 Amazon RDS Amazon Kinesis Data Firehose {JSON} {JSON}
- 36. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Demo
- 37. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Reference Architecture https://github.com/aws-samples/transactional-datalake-using-apache-iceberg-on-aws-glue
- 38. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Spark + Glue Context Kinesis Data Streams Apache Iceberg Insert/Update/Delete 1 2 3 Glue Streaming Job Code
- 39. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Glue Streaming Job Code
- 40. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. 5 Glue Streaming Upsert Delete 1 2 3
- 41. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Summary
- 42. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. “Table Format” = Layout of Files in Table O P E N T A B L E F O R M A T S Amazon S3 Update/Delete In-Place table1 table2 table3 RDBMS Transactional Data Lake RDBMS
- 43. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Transactional Data Lake: AWS DMS Amazon Kinesis Data Streams AWS Glue ETL Amazon Athena Amazon S3 Amazon RDS (Apache Iceberg, Hudi, Delta Lake) Amazon S3 Amazon Kinesis Data Firehose Raw Zone Curated Zone
- 44. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Transactional Data Lake: + L A M B D A A R C H I T E C T U R E AWS DMS Amazon Kinesis Data Streams AWS Glue ETL Amazon Athena Amazon S3 Amazon RDS Amazon Redshift / Redshift Serverless Real-Time Materialized View Streaming Table Permanent Tables (Apache Iceberg, Hudi, Delta Lake) Amazon S3 Amazon Kinesis Data Firehose Raw Zone Curated Zone Batch Layer Speed Layer
- 45. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Transactional Data Lake: AWS DMS Amazon Kinesis Data Streams AWS Glue Streaming Amazon Athena Amazon S3 Amazon RDS (Apache Iceberg, Hudi, Delta Lake) Amazon Redshift / Redshift Serverless Real-Time Materialized View Streaming Table Permanent Tables
- 46. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. On-Premise Transactional Data Lake Generic database Corporate data center Long Time-to-build High Cost in TCO Deep Expertise Required Security HDFS Kafka Connect Connect Hive / Presto Flink / Spark Streaming
- 47. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Generic database AWS DMS Amazon Kinesis Data Streams AWS Glue Streaming Amazon Athena Amazon S3 Corporate data center AWS Cloud Streaming Migrations for Analytics on Generic database Corporate data center HDFS Hive / Presto Kafka Connect Connect (Apache Iceberg, Hudi, Delta Lake) (Apache Iceberg, Hudi, Delta Lake) Flink / Spark S
- 48. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Data Lake
- 49. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. 감사합니다 © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.