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MySQL 8.0 Reference Manual
Preface and Legal Notices
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Replication
Group Replication
Group Replication Background
Replication Technologies
Source to Replica Replication
Group Replication
Group Replication Use Cases
Multi-Primary and Single-Primary Modes
Single-Primary Mode
Multi-Primary Mode
Group Replication Services
Group Membership
Failure Detection
Fault-tolerance
Observability
Group Replication Plugin Architecture
Getting Started
Deploying Group Replication in Single-Primary Mode
Deploying Instances for Group Replication
Configuring an Instance for Group Replication
User Credentials For Distributed Recovery
Launching Group Replication
Bootstrapping the Group
Adding Instances to the Group
Deploying Group Replication Locally
Requirements and Limitations
Group Replication Requirements
Group Replication Limitations
Monitoring Group Replication
GTIDs and Group Replication
Group Replication Server States
The replication_group_members Table
The replication_group_member_stats Table
Group Replication Operations
Configuring an Online Group
Changing a Group's Primary Member
Changing a Group's Mode
Using Group Replication Group Write Consensus
Setting a Group's Communication Protocol Version
Configuring Member Actions
Transaction Consistency Guarantees
Understanding Transaction Consistency Guarantees
Configuring Transaction Consistency Guarantees
Distributed Recovery
Connections for Distributed Recovery
Cloning for Distributed Recovery
Configuring Distributed Recovery
Fault Tolerance for Distributed Recovery
How Distributed Recovery Works
Network Partitioning
Support For IPv6 And For Mixed IPv6 And IPv4 Groups
Using MySQL Enterprise Backup with Group Replication
Group Replication Security
Group Replication IP Address Permissions
Securing Group Communication Connections with Secure Socket Layer (SSL)
Securing Distributed Recovery Connections
Secure User Credentials for Distributed Recovery
Secure Socket Layer (SSL) Connections for Distributed Recovery
Group Replication Performance
Fine Tuning the Group Communication Thread
Flow Control
Probes and Statistics
Group Replication Throttling
Message Compression
Message Fragmentation
XCom Cache Management
Increasing the cache size
Reducing the cache size
Responses to Failure Detection and Network Partitioning
Expel Timeout
Unreachable Majority Timeout
Auto-Rejoin
Exit Action
Upgrading Group Replication
Combining Different Member Versions in a Group
Member Versions During Upgrades
Group Replication Communication Protocol Version
Group Replication Offline Upgrade
Group Replication Online Upgrade
Online Upgrade Considerations
Upgrading a Group Replication Member
Group Replication Online Upgrade Methods
Group Replication Upgrade with mysqlbackup
Group Replication System Variables
Frequently Asked Questions
MySQL Shell
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InnoDB Cluster
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MySQL NDB Cluster 8.0
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MySQL Enterprise Edition
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MySQL on the OCI Marketplace
MySQL 8.0 Frequently Asked Questions
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MySQL Glossary
Related Documentation
MySQL 8.0 Release Notes
MySQL 8.0 Source Code Documentation
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Excerpts from this Manual
MySQL Backup and Recovery
MySQL Globalization
MySQL Information Schema
MySQL Installation Guide
Security in MySQL
Starting and Stopping MySQL
MySQL and Linux/Unix
MySQL and Windows
MySQL and macOS
MySQL and Solaris
Building MySQL from Source
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MySQL Tutorial
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MySQL Replication
Using the MySQL Yum Repository
MySQL NDB Cluster 8.0
version 8.0
5.7
5.6
8.0 Japanese
5.6 Japanese
MySQL 8.0 Reference Manual
/
Group Replication
/ Group Replication Operations
18.5 Group Replication Operations
18.5.1 Configuring an Online Group
18.5.2 Transaction Consistency Guarantees
18.5.3 Distributed Recovery
18.5.4 Network Partitioning
18.5.5 Support For IPv6 And For Mixed IPv6 And IPv4 Groups
18.5.6 Using MySQL Enterprise Backup with Group Replication
This section explains common operations for managing groups.
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Related Documentation
MySQL 8.0 Release Notes
MySQL 8.0 Source Code Documentation
Download this Manual
PDF (US Ltr)
- 41.6Mb
PDF (A4)
- 41.7Mb
Man Pages (TGZ)
- 262.1Kb
Man Pages (Zip)
- 372.2Kb
Info (Gzip)
- 4.0Mb
Info (Zip)
- 4.0Mb
Excerpts from this Manual
MySQL Backup and Recovery
MySQL Globalization
MySQL Information Schema
MySQL Installation Guide
Security in MySQL
Starting and Stopping MySQL
MySQL and Linux/Unix
MySQL and Windows
MySQL and macOS
MySQL and Solaris
Building MySQL from Source
MySQL Restrictions and Limitations
MySQL Partitioning
MySQL Tutorial
MySQL Performance Schema
MySQL Replication
Using the MySQL Yum Repository
MySQL NDB Cluster 8.0