ext3 ext4 速度对比

[ahlai]

ext3
cisco@cisco:~$ sudo hdparm -Tt /dev/sda

/dev/sda:
Timing cached reads: 1738 MB in 2.00 seconds = 868.50 MB/sec
Timing buffered disk reads: 306 MB in 3.01 seconds = 101.60 MB/sec

ext4
cisco@cisconet:~$ sudo hdparm -Tt /dev/sda5
[sudo] password for cisco:

/dev/sda5:
Timing cached reads: 1860 MB in 2.00 seconds = 929.97 MB/sec
Timing buffered disk reads: 448 MB in 3.01 seconds = 148.72 MB/sec

[ellon]

這種測試跟文件格式沒有關係的吧。是raw直讀的。

[friend.ethan]

貌似快了阿～

[wangdu2002]

一个sda，一个sda5怎么比？况且文件系统的比较和硬盘的直接比较不是一回事的。