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Peter Humphrey wrote: |
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> |
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> The kernel includes three schedulers: anticipatory, deadline and (the |
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> default) CFQ, whereas the author refers only to "old" and "new" schedulers. |
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> I wonder which of the features he describes are common to all three. I also |
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> wonder which kernel version introduced the "new" scheduler. I have a reason |
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> for this interest, which I intend to describe in a separate thread. |
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> |
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Those are the IO schedulers. He was referring to the O(1) process |
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scheduler. The former handles block device contention, the latter |
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handles CPU contention. Both are important, but these days IO |
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scheduling is more likely to be the source of slowness... |
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