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MySQL 9.2 Reference Manual
Preface and Legal Notices
General Information
Installing MySQL
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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 the Primary
Changing the Group Mode
Using Group Replication Group Write Consensus
Setting a Group's Communication Protocol Version
Configuring Member Actions
Restarting a Group
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
Support For IPv6 And For Mixed IPv6 And IPv4 Groups
Using MySQL Enterprise Backup with Group Replication
Group Replication Security
Communication Stack for Connection Security Management
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 IP Address Permissions
Group Replication Performance and Troubleshooting
Fine Tuning the Group Communication Thread
Flow Control
Probes and Statistics
Group Replication Throttling
Single Consensus Leader
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
Handling a Network Partition and Loss of Quorum
Monitoring Group Replication Memory Usage with Performance Schema Memory Instrumentation
Enabling or Disabling Group Replication Instrumentation
Example Queries
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 Variables
Group Replication System Variables
Group Replication Status Variables
Frequently Asked Questions
MySQL Shell
Using MySQL as a Document Store
InnoDB Cluster
InnoDB ReplicaSet
MySQL NDB Cluster 9.2
Partitioning
Stored Objects
INFORMATION_SCHEMA Tables
MySQL Performance Schema
MySQL sys Schema
Connectors and APIs
MySQL Enterprise Edition
MySQL Workbench
MySQL on OCI Marketplace
Telemetry
MySQL 9.2 Frequently Asked Questions
Error Messages and Common Problems
Indexes
MySQL Glossary
Related Documentation
MySQL 9.2 Release Notes
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version 9.2
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MySQL 9.2 Reference Manual
/
Group Replication
/ Requirements and Limitations
20.3 Requirements and Limitations
20.3.1 Group Replication Requirements
20.3.2 Group Replication Limitations
This section lists and explains the requirements and limitations of Group Replication.
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Related Documentation
MySQL 9.2 Release Notes
Download this Manual
PDF (US Ltr)
- 40.6Mb
PDF (A4)
- 40.7Mb
Man Pages (TGZ)
- 259.6Kb
Man Pages (Zip)
- 366.9Kb
Info (Gzip)
- 4.1Mb
Info (Zip)
- 4.1Mb