使用bsrange跑fio时，同一个环境，同一组参数，多次跑fio性能会有浮动，之间的差值可能会比较大 #1

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opened 2024-06-15 16:27:28 +08:00 by wenchao-hao · 2 comments

wenchao-hao commented 2024-06-15 16:27:28 +08:00

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wenchao-hao commented 2024-06-15 16:37:21 +08:00

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下面5组数据是使用下面的fio参数测出来的

[read_vda]
filename=/dev/vda
size=100G
runtime=100s
direct=1
rw=randread
numjobs=8
group_reporting
bs=4k
ioengine=libaio
iodepth=1

下面5组数据是使用下面的fio参数测出来的 ``` [read_vda] filename=/dev/vda size=100G runtime=100s direct=1 rw=randread numjobs=8 group_reporting bs=4k ioengine=libaio iodepth=1 ```     

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wenchao-hao commented 2024-06-15 16:48:59 +08:00

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下面5组数据是使用下面的fio参数测出来的

[read_vda]
filename=/dev/vda
size=100G
runtime=100s
direct=1
rw=randread
numjobs=8
group_reporting
bs=4k
ioengine=libaio
iodepth=1

同样的参数，同样的另一台虚拟机跑的结果如下：

> 下面5组数据是使用下面的fio参数测出来的 > > > ``` > [read_vda] > filename=/dev/vda > size=100G > runtime=100s > direct=1 > rw=randread > numjobs=8 > group_reporting > bs=4k > ioengine=libaio > iodepth=1 > ``` > >  >  >  >  >  同样的参数，同样的另一台虚拟机跑的结果如下：     

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wenchao-hao closed this issue 2024-10-22 10:00:09 +08:00

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Reference: wenchao-hao/fio#1

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