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KernelTrap: Adaptive Readahead

May 29, 2006, 17:00 (0 Talkback[s])

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"Wu Fengguang has been maintaining an adaptive readahead patchset for the Linux kernel. One of the patches from the set includes a kconfig option to enable/disable the read-ahead logic explaining:

"'Readahead is a technique employed by the kernel in an attempt to improve file reading performance. If the kernel has reason to believe that a particular file is being read sequentially, it will attempt to read blocks from the file into memory before the application requests them...'"

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