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Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 13, 2024 · Databases

Understanding MySQL 8.0 Clone Plugin: Architecture, Implementation, and Comparison with Xtrabackup

This article explains the MySQL 8.0 Clone plugin introduced in version 8.0.17, compares it with Xtrabackup, details its five‑step cloning process, describes the code structure across SQL, plugin, and InnoDB layers, and outlines the page‑archiving subsystem used to track dirty pages during cloning.

Clone PluginInnoDBMySQL
0 likes · 18 min read
Understanding MySQL 8.0 Clone Plugin: Architecture, Implementation, and Comparison with Xtrabackup
Tencent Database Technology
Tencent Database Technology
Jul 27, 2022 · Databases

Understanding GTID Maintenance in InnoDB with MySQL Clone Plugin

This article explains how MySQL 8.0’s clone plugin changes GTID handling by storing GTID information in InnoDB undo logs, detailing the allocation of undo log segments, recording GTIDs in undo log headers, persisting them to the gtid_executed table, and coordinating purge operations.

Clone PluginDatabase InternalsGTID
0 likes · 9 min read
Understanding GTID Maintenance in InnoDB with MySQL Clone Plugin
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 16, 2021 · Databases

Resolving MySQL 8 Clone Plugin Restart Failures with Systemd Configuration

This article explains why MySQL 8's clone plugin may report a restart failure (error 3707), analyzes the role of the monitoring process, and provides systemd service configurations—including RestartForceExitStatus=16 and Environment=MYSQLD_PARENT_PID=1—to ensure automatic restarts succeed after clone operations while preventing unwanted restarts in other failure scenarios.

Clone PluginDatabase OperationsMySQL
0 likes · 5 min read
Resolving MySQL 8 Clone Plugin Restart Failures with Systemd Configuration
vivo Internet Technology
vivo Internet Technology
Oct 14, 2020 · Databases

MySQL Clone Plugin – Installation, Usage, Progress Monitoring, Implementation Details, Limitations, and Comparison with XtraBackup

The MySQL Clone Plugin, added in 8.0.17, enables fast local or remote cloning of InnoDB data by installing the plugin, issuing CLONE commands, monitoring progress via performance_schema tables, and using the resulting GTID or binlog coordinates to build replicas, while observing limitations such as DDL restrictions and single‑instance operation, and offering advantages over XtraBackup through an extra page‑copy stage and simplified GTID handling.

Clone PluginInnoDBMySQL
0 likes · 22 min read
MySQL Clone Plugin – Installation, Usage, Progress Monitoring, Implementation Details, Limitations, and Comparison with XtraBackup
NetEase Game Operations Platform
NetEase Game Operations Platform
Oct 19, 2019 · Databases

MySQL Clone Plugin: Architecture, Usage Guide, and Performance Evaluation

This article explains the MySQL Clone plugin introduced in version 8.0.17, describes its underlying mechanism, installation and execution steps, outlines usage constraints and scenarios, and presents a detailed performance comparison with LVM snapshots and Xtrabackup under various workloads.

BackupClone PluginInnoDB
0 likes · 13 min read
MySQL Clone Plugin: Architecture, Usage Guide, and Performance Evaluation
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 5, 2019 · Databases

Using MySQL 8.0.17 Clone Plugin to Create a Slave from Scratch

This article demonstrates how to install and verify the MySQL 8.0.17 clone plugin, create privileged clone users on both donor and recipient servers, configure cloning parameters, execute a full instance clone, set up replication with CHANGE MASTER, and discusses the plugin's limitations such as InnoDB‑only support and DDL restrictions.

BackupClone PluginInnoDB
0 likes · 10 min read
Using MySQL 8.0.17 Clone Plugin to Create a Slave from Scratch