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Percona Software for MySQL Documentation

ProxySQL 2.7.1-1 and ProxySQL admin tools (2024-11-20)

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ProxySQL is a high-performance proxy for MySQL and MySQL-compatible database servers such as Percona Server for MySQL and MariaDB. It acts as an intermediary for client requests seeking resources from the database. ProxySQL was created for the database administrator to solve complex replication topology issues.

You can download the original ProxySQL from GitHub. The ProxySQL documentation provides information on installing and running ProxySQL.

The ProxySQL Admin (proxysql-admin) tool simplifies the configuration of Percona XtraDB Cluster nodes with ProxySQL. ProxySQL Admin 2 supports Percona XtraDB Cluster without custom scripts.

The pxc_scheduler_handler tool can automatically perform a failover due to node failures, service degradation, or maintenance. This tool has features and capabilities that differ from the ProxySQL admin tool, so you should not use options from one tool in the other, as that may cause unintended results.

Release highlights

This version updates the admin tools to support Percona XtraDB Cluster 8.4.0-1.

Known issues

In a MySQL 8.4 or a Percona Server for MySQL 8.4 environment, you may have the following issues:

  • ProxySQL contains counters that have not been updated to use the new terminology. You may see unexpected results

  • The binlog reader errors out during initialization due to the use of the old terminology, such as SHOW MASTER STATUS command.

Additional resources

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Last update: 2024-11-20