硬盘分区为什么会出现页面文件

页面:/news/view-1898316/ | 耗时:0.5876 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=1898316 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1898316 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1898316 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(294742,1106775,1099861,472671,1061320,1083469,2549813,262346,1087391,186617,1503186,3081031,371476,208090,1086116,220686,582825,2766299,1106076,476924,1110708,1096737,452218,1082233,200473,467919,213089,3388880,1112214,151340) ORDER BY field (ArticleID,294742,1106775,1099861,472671,1061320,1083469,2549813,262346,1087391,186617,1503186,3081031,371476,208090,1086116,220686,582825,2766299,1106076,476924,1110708,1096737,452218,1082233,200473,467919,213089,3388880,1112214,151340)