Linux下各種主要文件系統的讀寫性能測試【轉】

轉自：https://blog.csdn.net/xiangyuqxq/article/details/11489975?utm_medium=distribute.pc_relevant_download.none-task-blog-BlogCommendFromBaidu-2.nonecase&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-BlogCommendFromBaidu-2.nonecas

　1、不用說，tmpfs是最快的，呵呵

　　2、ext2

　　寫測試：

　　CODE:

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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

　　讀測試：

　　CODE:

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debian:/mnt/sda1# time cat test > /dev/null real　　0m2.084s user　　0m0.000s sys　　0m0.310s

　　3、ext3

　　（1）data=ordered

　　寫測試：

　　CODE:

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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

　　讀測試：

　　CODE:

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debian:/mnt/sda1# time cat test > /dev/null real　　0m1.429s user　　0m0.020s sys　　0m0.290s

　　（2）data=writeback

　　寫測試：

　　CODE:

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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

　　讀測試：

　　CODE:

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debian:/mnt/sda1# time cat test > /dev/null real　　0m1.339s user　　0m0.010s sys　　0m0.250s

　　（3）data=journal

　　寫測試：

　　CODE:

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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

　　讀測試：

　　CODE:

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debian:/mnt/sda1# time cat test > /dev/null real　　0m1.665s user　　0m0.010s sys　　0m0.220s

　　4、ReiserFS

　　寫測試：

　　CODE:

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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

　　讀測試：

　　CODE:

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debian:/mnt/sda1# time cat test > /dev/null real　　0m1.543s user　　0m0.000s sys　　0m0.240s

　　5、XFS

　　寫測試：

　　CODE:

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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

　　讀測試：

　　CODE:

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debian:/mnt/sda1# time cat test > /dev/null real　　0m2.203s user　　0m0.010s sys　　0m0.270s

　　6、JFS

　　寫測試：

CODE:

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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

　　讀測試：

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CODE: debian:/mnt/sda1# time cat test > /dev/null real　　0m0.579s user　　0m0.010s sys　　0m0.350s

　　JFS文件系統還真快ext3文件系統下，如果設置為data=journal,效果要打不少折扣哦