Mastering Database Migration_ Native replication (8.0) to InnoDB Cluster (8.0) with Cloning Best Practices.pdf
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Mastering Database Migration_ Native replication (8.0) to InnoDB Cluster (8.0) with Cloning Best Practices Explore the slides from our recent webinar on 'Mastering Database Migration: MySQL Replication to InnoDB Cluster Using Cloning.' Dive into the world of database migration, InnoDB Cluster, and the power of cloning. Discover best practices and insights shared by experts in the field. Stay updated with the latest trends in database management Watch the webinar recording https://youtu.be/sc9TYXKAQWw Visit our Mydbops blog https://www.mydbops.com/blog/ for further insights.
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Mastering Database Migration_ Native replication (8.0) to InnoDB Cluster (8.0) with Cloning Best Practices.pdf
- 1. Mastering Migration: MySQL Replication to InnoDB Cluster Using Cloning Presented by Praveen GR Database consultant, Mydbops
- 2. About Myself ● Interested in Open Source Database Technology ● Oracle certified MySQL DBA ● AWS community builder ● Experienced in both On premise and Cloud ● Database Tech Speaker / Blogger
- 3. Mydbops Services Focus on MySQL,MongoDB,PostgreSQL Consulting Services Consulting Services Managed Services 24*7 DBA Team Targeted Engagement
- 4. Problem statement ● Single Point of Failure ● Complex Failover Handling ● Replication Lag ● Data Consistency Challenges ● Read-Heavy Workloads
- 5. Agenda ● Native replication vs InnoDB cluster ● InnoDB Cluster ○ About ○ Requirement ○ Limitation ● Migration process ○ Native replication to InnoDB Cluster primary ○ Build InnoDB cluster
- 7. MySQL Native replication ● Asynchronous replication ● No limitation on replica count ● SQL-thread, IO thread ● Relay log ● Replication lag ● Manual failover ● Architecture flexibility
- 8. Native MySQL Replication InnoDB cluster
- 9. Native replication vs InnoDB cluster Aspect Native Replication InnoDB Cluster Replication Method Master-Slave, Master-Master, etc. Group Replication (Synchronous) Setup Complexity Manual configuration and management Simplified setup with automated management Flexibility Highly customizable replication topologies Integrated solution with less customization options Data Consistency May have replication lag Synchronous replication for real-time consistency Failover Handling Typically requires external failover mechanisms Automated failover and recovery Scalability Read scaling; limited write scaling Scales both read and write operations Integrated Management Often managed using native database tools Managed through MySQL Shell
- 11. MySQL InnoDB Cluster ● Group Replication ● Automated Failover ● High Availability ● Consistency and Durability ● Multi-Primary Mode
- 12. MySQL InnoDB Cluster - Requirement ● Notable Requirement ○ InnoDB Storage Engine ○ Primary Keys ○ Network Performance ○ Performance Schema
- 13. MySQL InnoDB Cluster - Limitations ● Notable Limitations ○ SERIALIZABLE Isolation Level ○ Cluster size - 9 ○ binlog_checksum=NONE upto 8.0.20 ○ Multi-primary Mode Deadlock ○ Foreign Keys with Cascading Constraints in multi-primary mode groups
- 15. Migration - Native replication to InnoDB Cluster primary
- 16. Migration - Requirement ● MySQL 8.0.17 & greater ● Same version of source and destination ● Enable clone plugin ● Create users ● Enable clone_valid_donor_list variable ● Start cloning
- 17. Migration - Native replication to InnoDB Cluster primary ● Clone plugin on Source server and primary node.
- 18. Migration - Native replication to InnoDB Cluster primary ● Create donor user on the source server.
- 19. Migration - Native replication to InnoDB Cluster primary ● Create recipient user on the primary node server.
- 20. Migration - Native replication to InnoDB Cluster primary ● Before starting the cloning, set clone_valid_donor_liston primary node server. ● Start the cloning process
- 21. Migration - Native replication to InnoDB Cluster primary ● Status - performance_schema.clone_progress
- 22. Migration - Native replication to InnoDB Cluster primary ● Replication between Source and Primary node server.
- 23. Migration - Build InnoDB cluster
- 24. Migration - Build InnoDB cluster ● Pre-request ○ MySQL shell ○ Create cluster admin user. ○ Variables ■ Binlog_transaction_dependency_tracking = WRITESET ■ Enforce_gtid_consistency = ON ■ Gtid_mode = ON ■ Server_id = <unique ID>
- 25. Migration - Build InnoDB cluster ● Create cluster admin user
- 26. Migration - Build InnoDB cluster ● Add primary server into the cluster
- 27. Migration - Build InnoDB cluster ● Add secondary server into the cluster
- 28. Migration - Build InnoDB cluster ● Check the status of the cluster
- 30. Reference ● https://www.mydbops.com/blog/mysql-80-clone-plugin-and-its-internal-process ● https://dev.mysql.com/doc/mysql-shell/8.0/en/mysql-innodb-cluster-limitations.html ● https://dev.mysql.com/doc/mysql-shell/8.0/en/mysql-innodb-cluster-requirements.html ● https://dev.mysql.com/doc/mysql-shell/8.0/en/setting-up-innodb-cluster-and-mysql-router.html#install ation ● https://www.mydbops.com/blog/mastering-mysql-group-replication-primary-promotion-techniques/
- 31. Any Questions?
- 32. Thank you