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SSD IOPS Arms Race: Does It Matter?

Apr 15, 2012, 06:00 (0 Talkback[s])


Re-Imagining Linux Platforms to Meet the Needs of Cloud Service Providers

[ Thanks to Amy Newman for this link. ]

During the past few weeks, I have been trying to get some information about how long a kernel context switch takes. You might ask, what is a context switch? What I am trying to find out is, if you are running an application and make a system call I/O request, how long does it take to make the request if all the cores are running all the threads that are supported by the core type and are running user applications? What if all the cores are not running user applications and the kernel is running in a core?

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