机械表为什么总时会慢呢

页面:/news/view-1767905/ | 耗时:0.4821 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=1767905 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1767905 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1767905 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1584808,2326649,1558340,468541,2393571,941833,2331653,1404768,1106755,2586850,1090843,490440,651381,1103285,798991,2144238,2839526,1894537,3302226,2258405,1328905,538257,2877438,2046163,1106795,2762368,2147631,1098545,244839,1289886) ORDER BY field (ArticleID,1584808,2326649,1558340,468541,2393571,941833,2331653,1404768,1106755,2586850,1090843,490440,651381,1103285,798991,2144238,2839526,1894537,3302226,2258405,1328905,538257,2877438,2046163,1106795,2762368,2147631,1098545,244839,1289886)