如何理解均衡产出的概念

页面:/news/view-3191598/ | 耗时:0.1524 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=3191598 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3191598 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3191598 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1110516,1110810,1066888,1068900,1048506,1044649,1088906,1106116,1086122,1065739,1063181,1084978,1112730,1102674,1112210,1061426,1054610,1070292,1097815,1110546,1092367,1106697,1104973,1109118,1108051,1110255,1103348,1090260,1091177,3027046) ORDER BY field (ArticleID,1110516,1110810,1066888,1068900,1048506,1044649,1088906,1106116,1086122,1065739,1063181,1084978,1112730,1102674,1112210,1061426,1054610,1070292,1097815,1110546,1092367,1106697,1104973,1109118,1108051,1110255,1103348,1090260,1091177,3027046)