官方文档 print(…) print(value, …, sep=’ ‘, end=’\n’, file=sys.stdout, flush=False) Prints the values to a stream, or to sys.stdout by default. Optional keyword arguments: file: a file-like object (stream); defaults to the current sys.stdout.
mha配置参数详解: 参数名字 是否必须 参数作用域 默认值 示例 hostname Yes Local Only - hostname=mysql_server1, hostname=192.168.0.1, etc ip No Local Only gethostbyname($hostname) ip=192.168.1.3 port No Local/App/Global 3306 port=3306 ssh_host No Local Only same as hostname ssh