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Ottawa Linux Symposium 二日目

2005/07/21

  13:45:17 by , Categories: Linux

Link: http://www.linuxsymposium.org/2005

io schedulrer 21/jul 2005

4 scheduler selection
when boottime, runtime

deadline. Anticipatory scheduler(AS), fair queuing(CFQ), noop

Motivation- is AS the problem?
extend AS

project goal
customized dynamically adopted service

testing AS → multi client make run time large.
thoughput vs. run time

CAS
cooperative AS

evaluation
ext3, similar on xfs
2.6.9

FFSB worlload generator
Flexible File System Benchmark

profiles simulating web, mail, file and seta data operations.
100,000 files, 4-64kb

decice based on group of process

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