为什么QQ收到消息不及时

页面:/news/view-1471268/ | 耗时:0.7593 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=1471268 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1471268 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1471268 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1127649,1127773,1594020,2519320,2809736,1047685,337906,3288974,3088520,358196,950619,980601,141179,3337911,1128924,1074542,1112236,326878,1083946,1130208,1091741,595263,2659364,360223,647826,1123883,325093,1098071,474387,1096747) ORDER BY field (ArticleID,1127649,1127773,1594020,2519320,2809736,1047685,337906,3288974,3088520,358196,950619,980601,141179,3337911,1128924,1074542,1112236,326878,1083946,1130208,1091741,595263,2659364,360223,647826,1123883,325093,1098071,474387,1096747)