Linux下各种主要文件系统的读写性能测试

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