为什么扔垃圾要定时

页面:/news/view-3007374/ | 耗时:0.0179 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=3007374 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3007374 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3007374 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2765869,2765306,111764,1089064,2678962,1093140,1089526,1072615,143750,1122883,1131747,1067935,1376398,3252765,140802,2557641,1597676,1065735,121272,1106755,1464414,2093916,138722,1631195,2631330,2102177,1095408,1465035,1068824,107930) ORDER BY field (ArticleID,2765869,2765306,111764,1089064,2678962,1093140,1089526,1072615,143750,1122883,1131747,1067935,1376398,3252765,140802,2557641,1597676,1065735,121272,1106755,1464414,2093916,138722,1631195,2631330,2102177,1095408,1465035,1068824,107930)