我的机械表有时快有时慢正常吗

页面:/news/view-2174119/ | 耗时:1.0116 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=2174119 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2174119 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2174119 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1067207,1109408,1088878,1070534,1072923,1063213,1116293,1115412,1055361,1103971,1083208,1071131,1058958,1099819,1056160,1117662,1065928,1082954,1115621,1064383,1091625,1105003,1078294,1087523,1090571,1096611,1070092,1063159,1081859,1043609) ORDER BY field (ArticleID,1067207,1109408,1088878,1070534,1072923,1063213,1116293,1115412,1055361,1103971,1083208,1071131,1058958,1099819,1056160,1117662,1065928,1082954,1115621,1064383,1091625,1105003,1078294,1087523,1090571,1096611,1070092,1063159,1081859,1043609)