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
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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

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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 ``` ![image](/attachments/b06fa7d2-1af0-4136-b72e-95216da96afb) ![image](/attachments/939a6fac-2fbb-4df7-be65-1bb6d12b4a3e) ![image](/attachments/87002fb8-811f-47b4-bb96-163028caeb47) ![image](/attachments/799ecc86-2623-434c-8245-6fa0cc6af0c5) ![image](/attachments/1ad03157-8bdb-45a0-b357-ae73c21bfc62)
Author
Owner

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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同样的参数,同样的另一台虚拟机跑的结果如下:

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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 > ``` > > ![image](/attachments/b06fa7d2-1af0-4136-b72e-95216da96afb) > ![image](/attachments/939a6fac-2fbb-4df7-be65-1bb6d12b4a3e) > ![image](/attachments/87002fb8-811f-47b4-bb96-163028caeb47) > ![image](/attachments/799ecc86-2623-434c-8245-6fa0cc6af0c5) > ![image](/attachments/1ad03157-8bdb-45a0-b357-ae73c21bfc62) 同样的参数,同样的另一台虚拟机跑的结果如下: ![image](/attachments/1aa4f639-3e7b-431d-9588-81191889ebdc) ![image](/attachments/c71a1bb6-6da2-4add-b6b4-3e03294b2890) ![image](/attachments/039f337b-12af-4645-88db-3639b96890fa) ![image](/attachments/031d9ec2-17f3-448d-b64b-5875fddb2f64) ![image](/attachments/188503fc-4f96-4ecf-9a42-a6a0b7198898)
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Reference: wenchao-hao/fio#1
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