If we want to use this TestLink role on debian 8, we need include tasks/pre_tasks.yml in pre_tasks for use mysql-server-5.6. pre_tasks: - name: manual add mysql repository include: tasks/pre_tasks.yml ...
To enable RocksDB storage engine (a.k.a. MyRocks), you need to set at least the following parameters in my.cnf. [mysqld] rocksdb default-storage-engine=rocksdb skip-innodb ...