摘要:
不常用,但是现在的业务经常用到 https://blog.csdn.net/weixin_39849054/article/details/111277625 https://blog.csdn.net/u012604745/article/details/80642015 https://www. 阅读全文
摘要:
1.问题:线上环境大量新增和修改没反应2.排查:show processlist; 大量查询语句处于Waiting for table metadata lock select trx_state, trx_started, trx_mysql_thread_id, trx_query from i 阅读全文