PolarDB-X Engine is a MySQL branch originated from Alibaba Group. It is based on the MySQL official release and has many features and performance enhancements, PolarDB-X Engine has proven to be very stable and efficient in production environment. It can be used as a free, fully compatible, enhanced and open source drop-in replacement for MySQL.
PolarDB-X Engine has been an open source project since October 2021. It is being actively developed by engineers from Alibaba Group, Everyone is welcomed to get involved.
For further information on PolarDB-X Engine or additional documentation, visit: PolarDB-X Engine Overview
For further information about x-engine, please ref:
X-Engine Storage Engine