怎么清理dns缓存

页面:/news/view-1328606/ | 耗时:0.1328 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1328606 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1328606 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1328606 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(479849,2059842,383679,370399,1093651,370200,480037,1093691,452215,432618,1089243,486658,409363,460788,480654,624432,1083449,424512,444346,1099925,404745,375468,99051,1105862,1663030,362836,518821,453469,81284,470883) ORDER BY field (ArticleID,479849,2059842,383679,370399,1093651,370200,480037,1093691,452215,432618,1089243,486658,409363,460788,480654,624432,1083449,424512,444346,1099925,404745,375468,99051,1105862,1663030,362836,518821,453469,81284,470883)