运行内存怎么清理

页面:/news/view-2053540/ | 耗时:0.3600 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=2053540 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2053540 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2053540 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1044903,1123271,1081345,1069331,3088520,1068576,2688752,1087837,1118613,1071105,1493313,1062134,1125047,1125119,1131929,1129123,1079922,1069607,1132129,1117263,1130698,1075498,1275263,1083158,1109771,1077382,1119876,1048594,1092704,1096619) ORDER BY field (ArticleID,1044903,1123271,1081345,1069331,3088520,1068576,2688752,1087837,1118613,1071105,1493313,1062134,1125047,1125119,1131929,1129123,1079922,1069607,1132129,1117263,1130698,1075498,1275263,1083158,1109771,1077382,1119876,1048594,1092704,1096619)