qq占用内存太大了怎么办

页面:/news/view-2146688/ | 耗时:0.2965 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=2146688 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2146688 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2146688 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1125181,720826,2272985,1107819,1126072,1090188,1098593,1126128,960384,1070428,1109416,1097711,1077234,1098381,2043420,1097351,195628,1123386,1128924,1093903,2125808,1064697,1072679,1098245,2123623,2499883,2768461,1125650,1053752,755923) ORDER BY field (ArticleID,1125181,720826,2272985,1107819,1126072,1090188,1098593,1126128,960384,1070428,1109416,1097711,1077234,1098381,2043420,1097351,195628,1123386,1128924,1093903,2125808,1064697,1072679,1098245,2123623,2499883,2768461,1125650,1053752,755923)