u盘写文件很慢怎么办

页面:/news/view-716582/ | 耗时:0.5268 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=716582 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=716582 LIMIT 0,1
select * from tbl_Articles_sphinx where id=716582 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1069928,671443,438504,1087485,133376,135420,350451,307834,1293339,234811,263255,1094799,126073,487620,171246,653897,291505,2117832,604463,311169,293794,2456233,323232,411324,762336,311083,1055824,118224,651921,457722) ORDER BY field (ArticleID,1069928,671443,438504,1087485,133376,135420,350451,307834,1293339,234811,263255,1094799,126073,487620,171246,653897,291505,2117832,604463,311169,293794,2456233,323232,411324,762336,311083,1055824,118224,651921,457722)