MariaDB Galera Cluster 5.5.39 发布，相关链接：
- Release Notes:
https://mariadb.com/kb/en/mariadb-galera-cluster-5539-release-notes
- Changelog:
https://mariadb.com/kb/en/mariadb-galera-cluster-5539-changelog
- Downloads: https://downloads.mariadb.org/mariadb-galera/5.5.39
About MariaDB Galera Cluster:
- https://mariadb.com/kb/en/what-is-mariadb-galera-cluster/
APT and YUM Repository Configuration Generator:
- https://downloads.mariadb.org/mariadb/repositories/ | 
