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至顶网软件频道Linux下各种主要文件系统的读写性能测试

Linux下各种主要文件系统的读写性能测试

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JFS文件系统还真快 ext3文件系统下,如果设置为data=journal,效果要打不少折扣。

作者:赛迪网 来源:赛迪网 2007年10月7日

关键字: 测试 读写 文件系统 Linux

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1、不用说,tmpfs是最快的,呵呵

2、ext2

写测试:

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CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 1.40192 seconds, 74.8 MB/s

real 0m1.414s

user 0m0.140s

sys 0m0.230s

读测试:

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CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m2.084s

user 0m0.000s

sys 0m0.310s

3、ext3

(1)data=ordered

写测试:

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CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 1.04712 seconds, 100 MB/s

real 0m1.057s

user 0m0.090s

sys 0m0.580s

读测试:

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CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m1.429s

user 0m0.020s

sys 0m0.290s

(2)data=writeback

写测试:

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CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 0.990267 seconds, 106 MB/s

real 0m1.004s

user 0m0.110s

sys 0m0.470s

读测试:

[Copy to clipboard] [ - ]

CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m1.339s

user 0m0.010s

sys 0m0.250s

(3)data=journal

写测试:

[Copy to clipboard] [ - ]

CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 6.45851 seconds, 16.2 MB/s

real 0m6.470s

user 0m0.080s

sys 0m0.590s

读测试:

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CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m1.665s

user 0m0.010s

sys 0m0.220s

4、ReiserFS

写测试:

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CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 1.13243 seconds, 92.6 MB/s

real 0m1.153s

user 0m0.040s

sys 0m0.620s

读测试:

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CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m1.543s

user 0m0.000s

sys 0m0.240s

5、XFS

写测试:

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CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 1.76025 seconds, 59.6 MB/s

real 0m2.000s

user 0m0.060s

sys 0m0.470s

读测试:

[Copy to clipboard] [ - ]

CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m2.203s

user 0m0.010s

sys 0m0.270s

6、JFS

写测试:

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CODE:

debian:/mnt/sda1# time dd if=/dev/zero of=test bs=1024 count=100K

102400+0 records in

102400+0 records out

104857600 bytes (105 MB) copied, 0.581869 seconds, 180 MB/s

real 0m0.613s

user 0m0.140s

sys 0m0.250s

读测试:

[Copy to clipboard] [ - ]

CODE:

debian:/mnt/sda1# time cat test > /dev/null

real 0m0.579s

user 0m0.010s

sys 0m0.350s

JFS文件系统还真快

ext3文件系统下,如果设置为data=journal,效果要打不少折扣。

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