| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Research Abstract |
In this work, we have evaluated performance of the existing I/O scheduler in virtualized environment. Our evaluation has demonstrated that the existing I/O scheduler have not been able to provide enough performance in virtualized environment. In order to analyze the behavior of the I/O schedulers, we have developed I/O scheduler analyzing system. Analyses with the system have clearly shown the reason of their insufficient performance.After the analyses, we have proposed a method for improving I/O performance in virtualized environment. Our performance evaluation has demonstrated that the proposed method has been able to improve performance.
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