文件压缩后为什么大小几乎没变化

页面:/news/view-2587434/ | 耗时:0.6322 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=2587434 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2587434 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2587434 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1074258,1096961,2823317,3396930,2379806,451529,1114274,2968285,1086097,417521,179930,3198559,176683,1361315,1356158,1127070,2283535,1089464,2520803,1066548,515225,1068524,1294217,247329,2878418,2033990,1092139,2961317,170265,1066616) ORDER BY field (ArticleID,1074258,1096961,2823317,3396930,2379806,451529,1114274,2968285,1086097,417521,179930,3198559,176683,1361315,1356158,1127070,2283535,1089464,2520803,1066548,515225,1068524,1294217,247329,2878418,2033990,1092139,2961317,170265,1066616)