MGER
MGER is an open-source tool for managing MySQL database replication and failover. It allows automatic promotion of a slave to become the new master if the existing master fails.
mysql
replication
failover
open-source
MGER: Open-Source MySQL Database Replication and Failover Tool
Automatically manage database replication and failover with MGER, an open-source tool for ensuring high availability of your MySQL databases.
What is MGER?
MGER (MySQL Group Replication Environment Manager) is an open-source tool designed specifically for managing MySQL database replication setups and performing automatic failover. It works by continuously monitoring the status of MySQL servers in a replication group and can promote a healthy slave to become the new master if the existing master goes down or becomes unreachable.
Some key features of MGER include:
- Automatic detection and registration of new slaves joining the replication group
- Monitoring of master and slave status and replication health
- Defined conditions for initiating automatic failover and promotion of a new master server
- Supports different MySQL replication technologies like Group Replication, Async Replication, Semi-sync etc.
- Web-based UI for configuring and monitoring replication status
- Command line interface for administration and scripting purposes
- Available for free under GPLv2 license
By automating many of the complex administrative tasks around MySQL high availability, MGER simplifies the process of setting up and managing robust MySQL replication topologies with built-in redundancy and failover capabilities. Its capabilities around auto-failover help minimize downtime and data loss in case the master server goes down unexpectedly.
MGER Features
Features
- Automated MySQL database replication management
- Automatic failover and promotion of slave to master
- Monitoring of replication health and status
- Command-line interface for easy management
- Support for multiple replication topologies
Pricing
- Open Source
Pros
Open-source and free to use
Simplifies complex database replication tasks
Improves reliability and availability of MySQL databases
Reduces manual intervention during failover events
Cons
Requires technical expertise to set up and configure
Limited support for advanced replication features
May not be suitable for large-scale, complex MySQL deployments
Official Links
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