机械表为什么会有时间差

页面:/news/view-2820602/ | 耗时:0.5842 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=2820602 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2820602 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2820602 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1069956,1122124,1098545,1063309,1130011,1101467,1097723,1087523,1106438,2230748,1070672,1132331,1088425,1097669,1126583,1046866,1071934,1124316,1077112,1080805,1102036,1092089,1095528,1083453,1096340,1126126,1111800,1130158,121293,1129083) ORDER BY field (ArticleID,1069956,1122124,1098545,1063309,1130011,1101467,1097723,1087523,1106438,2230748,1070672,1132331,1088425,1097669,1126583,1046866,1071934,1124316,1077112,1080805,1102036,1092089,1095528,1083453,1096340,1126126,1111800,1130158,121293,1129083)