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CFQ
also called Complete Fair Queuing and has one more synonym

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  1. is an I/O scheduler for the Linux kernel which was written by Jens Axboe

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on February 23, 2009
  2. works by placing synchronous requests submitted by processes into a number of per-process queues and then allocating timeslices for each of the queues to access the disk

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on February 23, 2009
  3. In February 2003 Andrea Arcangeli puts forward his idea for Stochastic Fair Queueing I/O scheduler to Jens Axboe who then implements it

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on February 23, 2009
  4. The length of the time slice and the number of requests a queue is allowed to submit, depends on the IO priority of the given process

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on February 23, 2009
  5. Asynchronous requests for all processes are batched together in fewer queues, one per priority

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on February 23, 2009
  6. While CFQ does not do explicit anticipatory IO scheduling, it achieves the same effect of having good aggregate throughput for the system as a whole, by allowing a process queue to idle at the end of synchronous IO thereby "anticipating" further clos

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on February 23, 2009
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