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Progress Report

Progress Report. 05/30. What We Plan to Do …. Different workloads Different applications Different methods on finding the relationship between metrics and performance. Different Workloads. We’ve used: Workload with Peak Peak: sudden and drastic increasing.

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Progress Report

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  1. Progress Report 05/30

  2. What We Plan to Do … • Different workloads • Different applications • Different methods on finding the relationship between metrics and performance.

  3. Different Workloads • We’ve used: • Workload with Peak • Peak: sudden and drastic increasing. • Short-term workload with periodic behavior • Four repeated patterns in 200 minutes. • We’re using: • Long-term workload • More realistic.

  4. Long-term Workload

  5. Results

  6. Different Methods • We’ve used Principle Component Analysis(PCA) to help us reduce the dimensionality. • We are using mutual information to select metrics that related to performance.

  7. Mutual Information between Metrics

  8. Mutual Information between Metrics and Performance

  9. Gap • Even if we know the relations between metrics and performance, we still can’t decide the precise number of VM needed. • The relations between metrics and the number of VM are not clear.

  10. Future Plan • ICPADS’12 ? • Focus on metric selection • PCA • Mutual Information

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