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MySQL Database Architectures - 2020-10

Kenny Gryp, profile picture
Kenny Gryp

The document discusses the advancements and features of MySQL, particularly focusing on MySQL 8 and its InnoDB Cluster and InnoDB ReplicaSet options. It emphasizes ease of use, automatic member provisioning, high availability, and consistency management in database architectures. The information is framed within Oracle's product direction while providing technical details relevant for database administrators and users seeking reliable MySQL solutions.

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Database Architectures #MySQL8isGreat Kenny Gryp MySQL Product Manager
Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purpose only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied up in making purchasing decisions. The development, release and timing of any features or functionality described for Oracle´s product remains at the sole discretion of Oracle. Copyright @ 2020 Oracle and/or its affiliates. 2 / 43
Past, Present & Future Copyright @ 2020 Oracle and/or its affiliates. 3 / 43
Se ing up Replication topology was usually done manually, taking many steps including user management, restoring backups, con guring replication... MySQL o ered the technical pieces, leaving it up to the user to setup an (always customized) architecture This requires technical components ... bringing lot's of work for DBA's and experts, who spent their time automating 'Past' - Manual Copyright @ 2020 Oracle and/or its affiliates. 4 / 43
2016 - MySQL InnoDB Cluster Group Replication: Automatic membership changes, network partition handling, consistency... Shell to provide a powerful interface that helps in automating an integrating all components InnoDB CLONE to automatically provision members, fully integrated in InnoDB Present - Solutions! Copyright @ 2020 Oracle and/or its affiliates. 5 / 43
2020 - MySQL InnoDB Replicaset 'classic', 'asynchronous' Replication based Solution, fully integrated Present - Solutions! Copyright @ 2020 Oracle and/or its affiliates. 6 / 43
MySQL InnoDB Cluster Copyright @ 2020 Oracle and/or its affiliates. 7 / 43
Components: MySQL Server MySQL Group Replication MySQL Shell MySQL Router MySQL InnoDB Cluster "A single product — MySQL — with high availability and scaling features baked in; providing an integrated end-to-end solution that is easy to use." Copyright @ 2020 Oracle and/or its affiliates. 8 / 43
One Product: MySQL All components developed together Integration of all components Full stack testing MySQL InnoDB Cluster - Goals Copyright @ 2020 Oracle and/or its affiliates. 9 / 43
One Product: MySQL All components developed together Integration of all components Full stack testing Easy to Use One client: MySQL Shell Integrated orchestration Homogenous servers MySQL InnoDB Cluster - Goals Copyright @ 2020 Oracle and/or its affiliates. 9 / 43
High Available Distributed MySQL DB Fault tolerance Automatic failover Active/Active update anywhere (limits apply) Automatic membership management Adding/removing members Network partitions, failures Con ict detection and resolution Prevents data loss MySQL Group Replication Copyright @ 2020 Oracle and/or its affiliates. 10 / 43
MySQL Group Replication Implementation of Replicated Database State Machine Total Order - Writes XCOM - Paxos implementation Con gurable Consistency Guarantees eventual consistency 8.0+: per session & global read/write consistency Using MySQL replication framework by design binary logs relay logs GTIDs: Global Transaction IDs Generally Available since MySQL 5.7 Supported on all platforms: linux, windows, solaris, macosx, freebsd Copyright @ 2020 Oracle and/or its affiliates. 11 / 43
Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) Highly Available: Automatic Failover Primary members are automatically elected Automatic Network Partition handling MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) Highly Available: Automatic Failover Primary members are automatically elected Automatic Network Partition handling Read Scaleout Add/Remove members as needed Replication Lag handling with Flow Control Con gurable Consistency Levels Eventual Full Consistency -- no stale reads MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) Highly Available: Automatic Failover Primary members are automatically elected Automatic Network Partition handling Read Scaleout Add/Remove members as needed Replication Lag handling with Flow Control Con gurable Consistency Levels Eventual Full Consistency -- no stale reads Active/Active environments Write to many members at the same time ordered writes within the group (XCOM) guaranteed consistency Good write performance due to Optimistic Locking (workload dependent) MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
Transparent Access to Database Arch. "provide transparent routing between your application and back-end MySQL Servers" Transparent client connection routing Load balancing Application connection failover Li le to no con guration needed Stateless design o ers easy HA client routing Router as part of the application stack Integration into InnoDB Cluster & InnoDB ReplicaSet 2 TCP Ports: PRIMARY and NON-PRIMARY tra c MySQL Router Copyright @ 2020 Oracle and/or its affiliates. 13 / 43
Database Administration Interface "MySQL Shell provides the developer and DBA with a single intuitive, exible, and powerful interface for all MySQL related tasks!" Multi-Language: JavaScript, Python, and SQL Naturally scriptable Supports Document and Relational models Exposes full Development and Admin API Classic MySQL protocol and X protocol MySQL Shell Copyright @ 2020 Oracle and/or its affiliates. 14 / 43
MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') Con gure server to add later: mysql-js> dba.con gureInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') Con gure server to add later: mysql-js> dba.con gureInstance('admin@mysql2') Add server to the Cluster: mysql-js> cluster.addInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') Con gure server to add later: mysql-js> dba.con gureInstance('admin@mysql2') Add server to the Cluster: mysql-js> cluster.addInstance('admin@mysql2') Bootstrap MySQL Router $ sudo mysqlrouter --user=mysqlrouter --bootstrap $ sudo systemctl start mysqlrouter MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
mysql-js> cluster.status() { "clusterName": "cluster", "defaultReplicaSet": { "name": "default", "primary": "mysql1:3306", "ssl": "REQUIRED", "status": "OK", "statusText": "Cluster is ONLINE and can tolerate up to ONE failure.", "topology": { "mysql1:3306": { "address": "mysql1:3306", "mode": "R/W", "readReplicas": {}, "role": "HA", "status": "ONLINE" }, "mysql2:3306": { "address": "mysql2:3306", "mode": "R/O", "readReplicas": {}, "role": "HA", "status": "ONLINE" }, "mysql3:3306": { "address": "mysql3:3306", "mode": "R/O", "readReplicas": {}, "role": "HA", "status": "ONLINE" } } } MySQL Shell - Easy to Use Check the Cluster status: Copyright @ 2020 Oracle and/or its affiliates. 16 / 43
MySQL InnoDB Cluster - Evolving Copyright @ 2020 Oracle and/or its affiliates. 17 / 43
Many of our customers have adopted InnoDB Cluster! Fully integrated MySQL Router Automatic Routing Ease of use with MySQL Shell Con guring, Adding, Removing members Group Replication Architecture Providing Consistency Automatic Failover Network Partition Handling No data loss in case of failure Automatic Member Provisioning (CLONE) MySQL InnoDB Cluster - Adoption Copyright @ 2020 Oracle and/or its affiliates. 18 / 43
MySQL InnoDB ReplicaSet Copyright @ 2020 Oracle and/or its affiliates. 19 / 43
Fully integrated MySQL Router Automatic Routing Ease of use with MySQL Shell Con guring, Adding, Removing members Automatic Member Provisioning (CLONE) Replication Architecture: (manual) Switchover & Failover (asynchronous) Read Scaleout 'Simple' Replication architecture: no network/hardware requirements Provides Availability on PRIMARY during issues with members or network MySQL InnoDB ReplicaSet Copyright @ 2020 Oracle and/or its affiliates. 20 / 43
Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE Con gure Replication Users Con gure Replication MySQL Shell Automatically con gures users & replication MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE Con gure Replication Users Con gure Replication MySQL Shell Automatically con gures users & replication Manually con guring, adding removing servers in Application, MySQL Router (or other proxy)   Integrated MySQL Router load balancing Only need to bootstrap Router Router is stateless, adapts to topology changes MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE Con gure Replication Users Con gure Replication MySQL Shell Automatically con gures users & replication Manually con guring, adding removing servers in Application, MySQL Router (or other proxy)   Integrated MySQL Router load balancing Only need to bootstrap Router Router is stateless, adapts to topology changes Manually or relying on external tools to make topology changes Easy to use manual switchover/failover MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
Past MySQL InnoDB ReplicaSet MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   complexity: user is responsible for the full con guration of every component and it's se ings Shell con gures Server, Router, Replication in a standardized best practice setup, prevents mistakes MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   complexity: user is responsible for the full con guration of every component and it's se ings Shell con gures Server, Router, Replication in a standardized best practice setup, prevents mistakes every setup is a customized setup Standard Solution -- Supported & QA'ed by Oracle MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   complexity: user is responsible for the full con guration of every component and it's se ings Shell con gures Server, Router, Replication in a standardized best practice setup, prevents mistakes every setup is a customized setup Standard Solution -- Supported & QA'ed by Oracle A lot of manual steps and additional software required, always customized and often overengineered by MySQL DBA's Easy to use, even for MySQL beginner MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
MySQL InnoDB ReplicaSet - Requirements & Limitations Requirements: MySQL 8 (SET PERSIST!) GTID Limitations: Manual failover No multi-primary as such topology cannot guarantee data consistency All secondary members replicate from primary Copyright @ 2020 Oracle and/or its affiliates. 23 / 43
MySQL InnoDB ReplicaSet - Demo Copyright @ 2020 Oracle and/or its affiliates. 00:00 24 / 43
MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') Con gure server to add later mysql-js> dba.con gureInstance('admin@mysql2') mysql-js> dba.con gureReplicaSetInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') Con gure server to add later mysql-js> dba.con gureInstance('admin@mysql2') mysql-js> dba.con gureReplicaSetInstance('admin@mysql2') Add server to the Cluster mysql-js> cluster.addInstance('admin@mysql2') mysql-js> rs.addInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') Con gure server to add later mysql-js> dba.con gureInstance('admin@mysql2') mysql-js> dba.con gureReplicaSetInstance('admin@mysql2') Add server to the Cluster mysql-js> cluster.addInstance('admin@mysql2') mysql-js> rs.addInstance('admin@mysql2') Bootstrap MySQL Router $ sudo mysqlrouter --user=mysqlrouter --bootstrap $ sudo systemctl start mysqlrouter $ sudo mysqlrouter --user=mysqlrouter --bootstrap $ sudo systemctl start mysqlrouter MySQL Shell - Easy to Use Demo: h ps://mysqlserverteam.com/introducing-mysql-innodb-replicaset Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
What does your business need? Copyright @ 2020 Oracle and/or its affiliates. 26 / 43
Recovery Time Objective (RTO) How fast should the service recover from a failure Recovery Point Objective (RPO) How much data loss can the service lose from a failure Business Requirements Copyright @ 2020 Oracle and/or its affiliates. 27 / 43
Recovery Time Objective (RTO) How fast should the service recover from a failure Recovery Point Objective (RPO) How much data loss can the service lose from a failure Types of Failures High Availability: Single Server Failure, Network Partition Disaster Recovery: Full Region/Network Failure Human Error: Li le Bobby Tables How Much None few seconds minutes hours day ... Business Requirements Copyright @ 2020 Oracle and/or its affiliates. 27 / 43
Which Solution fits my business? Single Region Copyright @ 2020 Oracle and/or its affiliates. 28 / 43
RTO = hours RPO = minutes Single MySQL Server with backups syncing binary logs (change stream) to other host Single Region Copyright @ 2020 Oracle and/or its affiliates. 29 / 43
RTO = hours RPO = less than a second Single MySQL Server with frequent backups remote binary log pulling (point in time recovery) Single Region Copyright @ 2020 Oracle and/or its affiliates. 30 / 43
RTO = minutes RPO = less than a second MySQL InnoDB ReplicaSet Single Region Copyright @ 2020 Oracle and/or its affiliates. 31 / 43
RTO = seconds RPO = 0 MySQL InnoDB Cluster Single Region Copyright @ 2020 Oracle and/or its affiliates. 32 / 43
Which Solution fits my business? Multi Region Copyright @ 2020 Oracle and/or its affiliates. 33 / 43
Region Failure: RTO = minutes, RPO = seconds MySQL InnoDB Cluster: with asynchronous Replica Note: no write throughput impact on write transactions Multi Region Copyright @ 2020 Oracle and/or its affiliates. 34 / 43
Region Failure RTO = seconds and/or Region Failure RPO = 0 MySQL InnoDB Cluster deployed accross multiple regions consistency level AFTER with 2 regions OR 3 regions with each region having 1-3 members. write throughput impact on write transactions to guarantee transactions are synced Multi Region Copyright @ 2020 Oracle and/or its affiliates. 35 / 43
Which Solution fits my business? MySQL InnoDB Cluster Other Requirements Copyright @ 2020 Oracle and/or its affiliates. 36 / 43
Fully Consistent Reads Multi Primary Single Region Multi Primary Multi Region Multi Primary MySQL InnoDB Cluster MySQL InnoDB Cluster Other Requirements Copyright @ 2020 Oracle and/or its affiliates. 37 / 43
MySQL Database Architectures Summary Copyright @ 2020 Oracle and/or its affiliates. 38 / 43
MySQL Database Architectures Single Region Requirement Solution RTO = hours,     RPO = minutes MySQL Server w. Backups & Binary Log Sync RTO = hours,     RPO = less than a second MySQL Server w. Backups & Binary Log Stream RTO = minutes, RPO = less than a second MySQL InnoDB ReplicaSet RTO = seconds, RPO = 0 MySQL InnoDB Cluster Multi Region Requirement Solution RTO = minutes, RPO = seconds MySQL InnoDB Cluster w. asynchronous replica RTO = seconds and/or RPO = 0 Multi Region MySQL InnoDB Cluster w: - 2 region: consistency level AFTER - 3 region deployment Copyright @ 2020 Oracle and/or its affiliates. 39 / 43
MySQL Database Architectures Other Requirements Requirement Solution Fully Consistent Reads MySQL InnoDB Cluster w. custom consistency levels Multi Primary Single Region MySQL InnoDB Cluster Multi Primary Multi Region Multi Region MySQL InnoDB Cluster Copyright @ 2020 Oracle and/or its affiliates. 40 / 43
Q&A Copyright @ 2020 Oracle and/or its affiliates. 41 / 43
Up Next Panel: SQL or NoSQL? Schema or Schemaless? Morgan Tocker, Markus Winand, Bill Karwin, Moderator: Frédéric Descamps MySQL Performance Tuning Jesper Wisborg Krogh Please visit the website for event agenda: h p://developer.oracle.com/devlivemysql Click the join bu on on the agenda to join either of the upcoming sessions. Copyright @ 2020 Oracle and/or its affiliates. 42 / 43
Up Next Panel: SQL or NoSQL? Schema or Schemaless? Morgan Tocker, Markus Winand, Bill Karwin, Moderator: Frédéric Descamps MySQL Shell: The Best MySQL DBA Tool Miguel Araújo Please visit the website for event agenda: h p://developer.oracle.com/devlivemysql Click the join bu on on the agenda to join either of the upcoming sessions. Copyright @ 2020 Oracle and/or its affiliates. 43 / 43

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MySQL Database Architectures - 2020-10

  • 2. Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purpose only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied up in making purchasing decisions. The development, release and timing of any features or functionality described for Oracle´s product remains at the sole discretion of Oracle. Copyright @ 2020 Oracle and/or its affiliates. 2 / 43
  • 3. Past, Present & Future Copyright @ 2020 Oracle and/or its affiliates. 3 / 43
  • 4. Se ing up Replication topology was usually done manually, taking many steps including user management, restoring backups, con guring replication... MySQL o ered the technical pieces, leaving it up to the user to setup an (always customized) architecture This requires technical components ... bringing lot's of work for DBA's and experts, who spent their time automating 'Past' - Manual Copyright @ 2020 Oracle and/or its affiliates. 4 / 43
  • 5. 2016 - MySQL InnoDB Cluster Group Replication: Automatic membership changes, network partition handling, consistency... Shell to provide a powerful interface that helps in automating an integrating all components InnoDB CLONE to automatically provision members, fully integrated in InnoDB Present - Solutions! Copyright @ 2020 Oracle and/or its affiliates. 5 / 43
  • 6. 2020 - MySQL InnoDB Replicaset 'classic', 'asynchronous' Replication based Solution, fully integrated Present - Solutions! Copyright @ 2020 Oracle and/or its affiliates. 6 / 43
  • 7. MySQL InnoDB Cluster Copyright @ 2020 Oracle and/or its affiliates. 7 / 43
  • 8. Components: MySQL Server MySQL Group Replication MySQL Shell MySQL Router MySQL InnoDB Cluster "A single product — MySQL — with high availability and scaling features baked in; providing an integrated end-to-end solution that is easy to use." Copyright @ 2020 Oracle and/or its affiliates. 8 / 43
  • 9. One Product: MySQL All components developed together Integration of all components Full stack testing MySQL InnoDB Cluster - Goals Copyright @ 2020 Oracle and/or its affiliates. 9 / 43
  • 10. One Product: MySQL All components developed together Integration of all components Full stack testing Easy to Use One client: MySQL Shell Integrated orchestration Homogenous servers MySQL InnoDB Cluster - Goals Copyright @ 2020 Oracle and/or its affiliates. 9 / 43
  • 11. High Available Distributed MySQL DB Fault tolerance Automatic failover Active/Active update anywhere (limits apply) Automatic membership management Adding/removing members Network partitions, failures Con ict detection and resolution Prevents data loss MySQL Group Replication Copyright @ 2020 Oracle and/or its affiliates. 10 / 43
  • 12. MySQL Group Replication Implementation of Replicated Database State Machine Total Order - Writes XCOM - Paxos implementation Con gurable Consistency Guarantees eventual consistency 8.0+: per session & global read/write consistency Using MySQL replication framework by design binary logs relay logs GTIDs: Global Transaction IDs Generally Available since MySQL 5.7 Supported on all platforms: linux, windows, solaris, macosx, freebsd Copyright @ 2020 Oracle and/or its affiliates. 11 / 43
  • 13. Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
  • 14. Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) Highly Available: Automatic Failover Primary members are automatically elected Automatic Network Partition handling MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
  • 15. Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) Highly Available: Automatic Failover Primary members are automatically elected Automatic Network Partition handling Read Scaleout Add/Remove members as needed Replication Lag handling with Flow Control Con gurable Consistency Levels Eventual Full Consistency -- no stale reads MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
  • 16. Consistency: No Data Loss (RPO=0) in event of failure of (primary) member Split brain prevention (Quorum) Highly Available: Automatic Failover Primary members are automatically elected Automatic Network Partition handling Read Scaleout Add/Remove members as needed Replication Lag handling with Flow Control Con gurable Consistency Levels Eventual Full Consistency -- no stale reads Active/Active environments Write to many members at the same time ordered writes within the group (XCOM) guaranteed consistency Good write performance due to Optimistic Locking (workload dependent) MySQL Group Replication - Use Cases Copyright @ 2020 Oracle and/or its affiliates. 12 / 43
  • 17. Transparent Access to Database Arch. "provide transparent routing between your application and back-end MySQL Servers" Transparent client connection routing Load balancing Application connection failover Li le to no con guration needed Stateless design o ers easy HA client routing Router as part of the application stack Integration into InnoDB Cluster & InnoDB ReplicaSet 2 TCP Ports: PRIMARY and NON-PRIMARY tra c MySQL Router Copyright @ 2020 Oracle and/or its affiliates. 13 / 43
  • 18. Database Administration Interface "MySQL Shell provides the developer and DBA with a single intuitive, exible, and powerful interface for all MySQL related tasks!" Multi-Language: JavaScript, Python, and SQL Naturally scriptable Supports Document and Relational models Exposes full Development and Admin API Classic MySQL protocol and X protocol MySQL Shell Copyright @ 2020 Oracle and/or its affiliates. 14 / 43
  • 19. MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
  • 20. MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') Con gure server to add later: mysql-js> dba.con gureInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
  • 21. MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') Con gure server to add later: mysql-js> dba.con gureInstance('admin@mysql2') Add server to the Cluster: mysql-js> cluster.addInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
  • 22. MySQL InnoDB Cluster mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') Con gure server to add later: mysql-js> dba.con gureInstance('admin@mysql2') Add server to the Cluster: mysql-js> cluster.addInstance('admin@mysql2') Bootstrap MySQL Router $ sudo mysqlrouter --user=mysqlrouter --bootstrap $ sudo systemctl start mysqlrouter MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 15 / 43
  • 23. mysql-js> cluster.status() { "clusterName": "cluster", "defaultReplicaSet": { "name": "default", "primary": "mysql1:3306", "ssl": "REQUIRED", "status": "OK", "statusText": "Cluster is ONLINE and can tolerate up to ONE failure.", "topology": { "mysql1:3306": { "address": "mysql1:3306", "mode": "R/W", "readReplicas": {}, "role": "HA", "status": "ONLINE" }, "mysql2:3306": { "address": "mysql2:3306", "mode": "R/O", "readReplicas": {}, "role": "HA", "status": "ONLINE" }, "mysql3:3306": { "address": "mysql3:3306", "mode": "R/O", "readReplicas": {}, "role": "HA", "status": "ONLINE" } } } MySQL Shell - Easy to Use Check the Cluster status: Copyright @ 2020 Oracle and/or its affiliates. 16 / 43
  • 24. MySQL InnoDB Cluster - Evolving Copyright @ 2020 Oracle and/or its affiliates. 17 / 43
  • 25. Many of our customers have adopted InnoDB Cluster! Fully integrated MySQL Router Automatic Routing Ease of use with MySQL Shell Con guring, Adding, Removing members Group Replication Architecture Providing Consistency Automatic Failover Network Partition Handling No data loss in case of failure Automatic Member Provisioning (CLONE) MySQL InnoDB Cluster - Adoption Copyright @ 2020 Oracle and/or its affiliates. 18 / 43
  • 26. MySQL InnoDB ReplicaSet Copyright @ 2020 Oracle and/or its affiliates. 19 / 43
  • 27. Fully integrated MySQL Router Automatic Routing Ease of use with MySQL Shell Con guring, Adding, Removing members Automatic Member Provisioning (CLONE) Replication Architecture: (manual) Switchover & Failover (asynchronous) Read Scaleout 'Simple' Replication architecture: no network/hardware requirements Provides Availability on PRIMARY during issues with members or network MySQL InnoDB ReplicaSet Copyright @ 2020 Oracle and/or its affiliates. 20 / 43
  • 28. Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
  • 29. Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE Con gure Replication Users Con gure Replication MySQL Shell Automatically con gures users & replication MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
  • 30. Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE Con gure Replication Users Con gure Replication MySQL Shell Automatically con gures users & replication Manually con guring, adding removing servers in Application, MySQL Router (or other proxy)   Integrated MySQL Router load balancing Only need to bootstrap Router Router is stateless, adapts to topology changes MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
  • 31. Past MySQL InnoDB ReplicaSet Restore a backup to provision a member   Automatically provisioning new members: InnoDB CLONE Con gure Replication Users Con gure Replication MySQL Shell Automatically con gures users & replication Manually con guring, adding removing servers in Application, MySQL Router (or other proxy)   Integrated MySQL Router load balancing Only need to bootstrap Router Router is stateless, adapts to topology changes Manually or relying on external tools to make topology changes Easy to use manual switchover/failover MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 21 / 43
  • 32. Past MySQL InnoDB ReplicaSet MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
  • 33. Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
  • 34. Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   complexity: user is responsible for the full con guration of every component and it's se ings Shell con gures Server, Router, Replication in a standardized best practice setup, prevents mistakes MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
  • 35. Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   complexity: user is responsible for the full con guration of every component and it's se ings Shell con gures Server, Router, Replication in a standardized best practice setup, prevents mistakes every setup is a customized setup Standard Solution -- Supported & QA'ed by Oracle MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
  • 36. Past MySQL InnoDB ReplicaSet Use additional monitoring tool log in on all machines to check topology status See status of the topology through MySQL Shell status()   complexity: user is responsible for the full con guration of every component and it's se ings Shell con gures Server, Router, Replication in a standardized best practice setup, prevents mistakes every setup is a customized setup Standard Solution -- Supported & QA'ed by Oracle A lot of manual steps and additional software required, always customized and often overengineered by MySQL DBA's Easy to use, even for MySQL beginner MySQL InnoDB ReplicaSet - Features Copyright @ 2020 Oracle and/or its affiliates. 22 / 43
  • 37. MySQL InnoDB ReplicaSet - Requirements & Limitations Requirements: MySQL 8 (SET PERSIST!) GTID Limitations: Manual failover No multi-primary as such topology cannot guarantee data consistency All secondary members replicate from primary Copyright @ 2020 Oracle and/or its affiliates. 23 / 43
  • 38. MySQL InnoDB ReplicaSet - Demo Copyright @ 2020 Oracle and/or its affiliates. 00:00 24 / 43
  • 39. MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
  • 40. MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
  • 41. MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') Con gure server to add later mysql-js> dba.con gureInstance('admin@mysql2') mysql-js> dba.con gureReplicaSetInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
  • 42. MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') Con gure server to add later mysql-js> dba.con gureInstance('admin@mysql2') mysql-js> dba.con gureReplicaSetInstance('admin@mysql2') Add server to the Cluster mysql-js> cluster.addInstance('admin@mysql2') mysql-js> rs.addInstance('admin@mysql2') MySQL Shell - Easy to Use Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
  • 43. MySQL InnoDB Cluster MySQL InnoDB ReplicaSet mysql-js> c admin@mysql1 mysql-js> cluster = dba.createCluster('cluster') mysql-js> c admin@mysql1 mysql-js> rs = dba.createReplicaSet('replicaset') Con gure server to add later mysql-js> dba.con gureInstance('admin@mysql2') mysql-js> dba.con gureReplicaSetInstance('admin@mysql2') Add server to the Cluster mysql-js> cluster.addInstance('admin@mysql2') mysql-js> rs.addInstance('admin@mysql2') Bootstrap MySQL Router $ sudo mysqlrouter --user=mysqlrouter --bootstrap $ sudo systemctl start mysqlrouter $ sudo mysqlrouter --user=mysqlrouter --bootstrap $ sudo systemctl start mysqlrouter MySQL Shell - Easy to Use Demo: h ps://mysqlserverteam.com/introducing-mysql-innodb-replicaset Copyright @ 2020 Oracle and/or its affiliates. 25 / 43
  • 44. What does your business need? Copyright @ 2020 Oracle and/or its affiliates. 26 / 43
  • 45. Recovery Time Objective (RTO) How fast should the service recover from a failure Recovery Point Objective (RPO) How much data loss can the service lose from a failure Business Requirements Copyright @ 2020 Oracle and/or its affiliates. 27 / 43
  • 46. Recovery Time Objective (RTO) How fast should the service recover from a failure Recovery Point Objective (RPO) How much data loss can the service lose from a failure Types of Failures High Availability: Single Server Failure, Network Partition Disaster Recovery: Full Region/Network Failure Human Error: Li le Bobby Tables How Much None few seconds minutes hours day ... Business Requirements Copyright @ 2020 Oracle and/or its affiliates. 27 / 43
  • 47. Which Solution fits my business? Single Region Copyright @ 2020 Oracle and/or its affiliates. 28 / 43
  • 48. RTO = hours RPO = minutes Single MySQL Server with backups syncing binary logs (change stream) to other host Single Region Copyright @ 2020 Oracle and/or its affiliates. 29 / 43
  • 49. RTO = hours RPO = less than a second Single MySQL Server with frequent backups remote binary log pulling (point in time recovery) Single Region Copyright @ 2020 Oracle and/or its affiliates. 30 / 43
  • 50. RTO = minutes RPO = less than a second MySQL InnoDB ReplicaSet Single Region Copyright @ 2020 Oracle and/or its affiliates. 31 / 43
  • 51. RTO = seconds RPO = 0 MySQL InnoDB Cluster Single Region Copyright @ 2020 Oracle and/or its affiliates. 32 / 43
  • 52. Which Solution fits my business? Multi Region Copyright @ 2020 Oracle and/or its affiliates. 33 / 43
  • 53. Region Failure: RTO = minutes, RPO = seconds MySQL InnoDB Cluster: with asynchronous Replica Note: no write throughput impact on write transactions Multi Region Copyright @ 2020 Oracle and/or its affiliates. 34 / 43
  • 54. Region Failure RTO = seconds and/or Region Failure RPO = 0 MySQL InnoDB Cluster deployed accross multiple regions consistency level AFTER with 2 regions OR 3 regions with each region having 1-3 members. write throughput impact on write transactions to guarantee transactions are synced Multi Region Copyright @ 2020 Oracle and/or its affiliates. 35 / 43
  • 55. Which Solution fits my business? MySQL InnoDB Cluster Other Requirements Copyright @ 2020 Oracle and/or its affiliates. 36 / 43
  • 56. Fully Consistent Reads Multi Primary Single Region Multi Primary Multi Region Multi Primary MySQL InnoDB Cluster MySQL InnoDB Cluster Other Requirements Copyright @ 2020 Oracle and/or its affiliates. 37 / 43
  • 57. MySQL Database Architectures Summary Copyright @ 2020 Oracle and/or its affiliates. 38 / 43
  • 58. MySQL Database Architectures Single Region Requirement Solution RTO = hours,     RPO = minutes MySQL Server w. Backups & Binary Log Sync RTO = hours,     RPO = less than a second MySQL Server w. Backups & Binary Log Stream RTO = minutes, RPO = less than a second MySQL InnoDB ReplicaSet RTO = seconds, RPO = 0 MySQL InnoDB Cluster Multi Region Requirement Solution RTO = minutes, RPO = seconds MySQL InnoDB Cluster w. asynchronous replica RTO = seconds and/or RPO = 0 Multi Region MySQL InnoDB Cluster w: - 2 region: consistency level AFTER - 3 region deployment Copyright @ 2020 Oracle and/or its affiliates. 39 / 43
  • 59. MySQL Database Architectures Other Requirements Requirement Solution Fully Consistent Reads MySQL InnoDB Cluster w. custom consistency levels Multi Primary Single Region MySQL InnoDB Cluster Multi Primary Multi Region Multi Region MySQL InnoDB Cluster Copyright @ 2020 Oracle and/or its affiliates. 40 / 43
  • 60. Q&A Copyright @ 2020 Oracle and/or its affiliates. 41 / 43
  • 61. Up Next Panel: SQL or NoSQL? Schema or Schemaless? Morgan Tocker, Markus Winand, Bill Karwin, Moderator: Frédéric Descamps MySQL Performance Tuning Jesper Wisborg Krogh Please visit the website for event agenda: h p://developer.oracle.com/devlivemysql Click the join bu on on the agenda to join either of the upcoming sessions. Copyright @ 2020 Oracle and/or its affiliates. 42 / 43
  • 62. Up Next Panel: SQL or NoSQL? Schema or Schemaless? Morgan Tocker, Markus Winand, Bill Karwin, Moderator: Frédéric Descamps MySQL Shell: The Best MySQL DBA Tool Miguel Araújo Please visit the website for event agenda: h p://developer.oracle.com/devlivemysql Click the join bu on on the agenda to join either of the upcoming sessions. Copyright @ 2020 Oracle and/or its affiliates. 43 / 43