MySQL 8.0 Reference Manual
MySQL 8.0 Release Notes
Abstract
This is the MySQL Replication extract from the MySQL 8.0 Reference Manual.
For legal information, see the Legal Notices.
For help with using MySQL, please visit the MySQL Forums, where you can discuss your issues with other MySQL users.
Document generated on: 2024-11-12 (revision: 80245)
Table of Contents
- Preface and Legal Notices
- 1 Replication
- 2 Configuring Replication
- 2.1 Binary Log File Position Based Replication Configuration Overview
- 2.2 Setting Up Binary Log File Position Based Replication
- 2.2.1 Setting the Replication Source Configuration
- 2.2.2 Setting the Replica Configuration
- 2.2.3 Creating a User for Replication
- 2.2.4 Obtaining the Replication Source Binary Log Coordinates
- 2.2.5 Choosing a Method for Data Snapshots
- 2.2.6 Setting Up Replicas
- 2.2.7 Setting the Source Configuration on the Replica
- 2.2.8 Adding Replicas to a Replication Environment
- 2.3 Replication with Global Transaction Identifiers
- 2.3.1 GTID Format and Storage
- 2.3.2 GTID Life Cycle
- 2.3.3 GTID Auto-Positioning
- 2.3.4 Setting Up Replication Using GTIDs
- 2.3.5 Using GTIDs for Failover and Scaleout
- 2.3.6 Replication From a Source Without GTIDs to a Replica With GTIDs
- 2.3.7 Restrictions on Replication with GTIDs
- 2.3.8 Stored Function Examples to Manipulate GTIDs
- 2.4 Changing GTID Mode on Online Servers
- 2.5 MySQL Multi-Source Replication
- 2.5.1 Configuring Multi-Source Replication
- 2.5.2 Provisioning a Multi-Source Replica for GTID-Based Replication
- 2.5.3 Adding GTID-Based Sources to a Multi-Source Replica
- 2.5.4 Adding Binary Log Based Replication Sources to a Multi-Source Replica
- 2.5.5 Starting Multi-Source Replicas
- 2.5.6 Stopping Multi-Source Replicas
- 2.5.7 Resetting Multi-Source Replicas
- 2.5.8 Monitoring Multi-Source Replication
- 2.6 Replication and Binary Logging Options and Variables
- 2.7 Common Replication Administration Tasks
- 3 Replication Solutions
- 3.1 Using Replication for Backups
- 3.2 Handling an Unexpected Halt of a Replica
- 3.3 Monitoring Row-based Replication
- 3.4 Using Replication with Different Source and Replica Storage Engines
- 3.5 Using Replication for Scale-Out
- 3.6 Replicating Different Databases to Different Replicas
- 3.7 Improving Replication Performance
- 3.8 Switching Sources During Failover
- 3.9 Switching Sources and Replicas with Asynchronous Connection Failover
- 3.10 Semisynchronous Replication
- 3.11 Delayed Replication
- 4 Replication Notes and Tips
- 4.1 Replication Features and Issues
- 4.1.1 Replication and AUTO_INCREMENT
- 4.1.2 Replication and BLACKHOLE Tables
- 4.1.3 Replication and Character Sets
- 4.1.4 Replication and CHECKSUM TABLE
- 4.1.5 Replication of CREATE SERVER, ALTER SERVER, and DROP SERVER
- 4.1.6 Replication of CREATE ... IF NOT EXISTS Statements
- 4.1.7 Replication of CREATE TABLE ... SELECT Statements
- 4.1.8 Replication of CURRENT_USER()
- 4.1.9 Replication with Differing Table Definitions on Source and Replica
- 4.1.10 Replication and DIRECTORY Table Options
- 4.1.11 Replication of DROP ... IF EXISTS Statements
- 4.1.12 Replication and Floating-Point Values
- 4.1.13 Replication and FLUSH
- 4.1.14 Replication and System Functions
- 4.1.15 Replication and Fractional Seconds Support
- 4.1.16 Replication of Invoked Features
- 4.1.17 Replication of JSON Documents
- 4.1.18 Replication and LIMIT
- 4.1.19 Replication and LOAD DATA
- 4.1.20 Replication and max_allowed_packet
- 4.1.21 Replication and MEMORY Tables
- 4.1.22 Replication of the mysql System Schema
- 4.1.23 Replication and the Query Optimizer
- 4.1.24 Replication and Partitioning
- 4.1.25 Replication and REPAIR TABLE
- 4.1.26 Replication and Reserved Words
- 4.1.27 Replication and Row Searches
- 4.1.28 Replication and Source or Replica Shutdowns
- 4.1.29 Replica Errors During Replication
- 4.1.30 Replication and Server SQL Mode
- 4.1.31 Replication and Temporary Tables
- 4.1.32 Replication Retries and Timeouts
- 4.1.33 Replication and Time Zones
- 4.1.34 Replication and Transaction Inconsistencies
- 4.1.35 Replication and Transactions
- 4.1.36 Replication and Triggers
- 4.1.37 Replication and TRUNCATE TABLE
- 4.1.38 Replication and User Name Length
- 4.1.39 Replication and Variables
- 4.1.40 Replication and Views
- 4.2 Replication Compatibility Between MySQL Versions
- 4.3 Upgrading a Replication Topology
- 4.4 Troubleshooting Replication
- 4.5 How to Report Replication Bugs or Problems
- 5 Replication Implementation