/**
* @param \Amp\RamDisk\RamDiskInterface $ram_disk
* @void
*/
public function setRamDisk($ram_disk)
{
$this->ram_disk = $ram_disk;
Path::mkdir_p_if_not_exists($ram_disk->getPath());
$this->mysql_data_path = Path::join($ram_disk->getPath(), 'mysql');
$this->tmp_path = Path::join($ram_disk->getPath(), 'tmp');
$this->mysqld_pid_file_path = Path::join($this->tmp_path, 'mysqld.pid');
$this->mysql_socket_path = Path::join($this->tmp_path, 'mysqld.sock');
}