We are proud to announce the latest release of ProxySQL version 2.6.3

ProxySQL is a high performance, high availability, protocol aware proxy for MySQL, with a GPL license! It can be downloaded from the ProxySQL Repository (instructions here) or for a Docker image check out the Official ProxySQL Docker Repository. ProxySQL is freely usable and accessible according to the GNU GPL v3.0 license.

Release Overview Highlights


ProxySQL v2.6.3 is a minor release comprising of minor features and bug fixes. This release is the third release of the 2.6 branch and includes some fixes that were introduced in the v2.x branch after 2.6.1 was released.

Be sure to try out the ProxySQL 2.6.3 release and let us know your experience!

Release Highlights


Detailed release notes for ProxySQL 2.6.3 are available on the release page, a few new changes worth of mentioning are:

  • Introduced new hostgroup attribute monitor_slave_lag_when_null for hostgroup_settings #4528
  • Introduced new safety feature via hostgroup attribute max_num_online_servers #4517
  • Handle SELECT LAST_INSERT_ID() FROM DUAL, preventing multiplexing disabling #4520
  • Support system logging facilities handling SIGUSR1 for log rotation #4502
  • Fixed clients reconnect (MYSQL_OPT_RECONNECT) when SSL is enabled #4537
  • Fixed crashes during startup due to HTTP_Server/RESTAPI requests #4518
  • Fixed several memory leaks in Cluster #4546
  • Fixed memory leak in GTID Binlog Reader thread #4546
  • Fixed ‘user-after-free’ in HTTP_Server #4518
  • Fixed several memory issues during shutdown #4546

Upgrade Notes


Upgrading from v2.5.x or previous versions via repository:

  • Make sure to change the repository URL from proxysql-2.5.x (or previous) to proxysql-2.6.x

Please follow the repository configuration instructions at https://repo.proxysql.com/


A special thanks to all the people that report bugs: this makes each version of ProxySQL better than the previous. Please report any bugs or feature requests on the project’s Github issue tracker.

If you have any questions please do not hesitate to contact us. Our performance and scalability experts are readily available to evaluate the overall state of your database infrastructure and help to build a robust and reliable MySQL HA architecture.

We also offer consulting, long term support and training for ProxySQL & MySQL Environments