对于MySQL单实例数据库和master库,如果需要设置为只读状态,需要进行如下操作和设置:mysql> show global variables like "%read_only%";mysql> flush tables with read lock;mysql> set global read_only=1;mysql> show global variables like "%read_only%";mysql> unlock tables;mysql> set global read_only...【阅读全文】
I try to explain these:us: is meaning of "user CPU time"sy: is meaning of "system CPU time"ni: is meaning of" nice CPU time"id: is meaning of "idle"wa: is meaning of "iowait" hi:is meaning of "hardware irq"si : is meaning of "software irq"st : is meaning of "steal time"中文翻译为:...【阅读全文】