Archive for 1月 7th, 2009

Choosing an I/O Scheduler for Red Hat® Enterprise Linux® 4 and the 2.6 Kernel

Bright Posted on 2009-1-7 11:35 | Views(3,692) | Comments (0) | Category: Unix|Linux, 操作系统 | Tags: io scheduler, linux

The Linux kernel, the core of the operating system, is responsible for controlling disk access by using kernel I/O scheduling. Red Hat Enterprise Linux 3 with a 2.4 kernel base uses a single, robust, general purpose I/O elevator. The 2.4 I/O scheduler has a reasonable number of tuning options by controlling the amount of time [...]

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