select host, user from user;
update user set host = '%' where user = 'root';
flush privileges;
select host, user from user;
update user set host = '%' where user = 'root';
flush privileges;
01 背 景 播放鏈路是愛奇藝最重要的業務,鏈路穩定性極其重要,隨着愛奇藝用戶的不斷增長和熱播劇集的推廣,播放鏈路往往面臨着難以預估的用戶流量的突增,考