Iostat & Server Performance

I'm suffering performance issues with my application, and one of my suspects is excessive IO. Here is my iostat output : Iostat & Server Performance

there are two devices has very high util,and other devices doesnot have any util. Why is the problem here? Does it mean the io of the system is very excessive?

Thanks a lot

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Category: linux Time: 2016-07-30 Views: 1

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