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Workload Dependent Performance Evaluation of the Linux 2.6 I/O Schedulers

Overview The 2.6 release introduced the option to select a particular I/O scheduler at boot time. The 2.4 Linux elevators was retired, incorporated are now the anticipatory (AS), the deadline, the noop, as well as the Completely Fair Queuing (CFQ) I/O schedulers. Each scheduler has its strengths and weaknesses. The question is under what workload scenarios a particular I/O scheduler excels, as well as what is the performance gain that is possible by utilizing the available tuning options.

Further White Paper Details
Publisher	IBM	File Format	PDF
Date Published	July 2004
Format	White Papers
Topics	Linux - Open Source, Linux Server OS

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