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[PDF]An Elastic MapReduce Workload/Runtime Co-design

[日期:2014-01-08] 来源:  作者:Weiming Shi and Bo Hong [字体: ]

An Elastic MapReduce Workload/Runtime Co-design

Weiming Shi and Bo Hong

To address these two issues under a coherent framework, this paper presents Clotho, a MapReduce workload and runtime co- design that can opportunistically utilize the spare resource fragments in the system to alleviate the bottleneck stage of MapReduce workloads while honoring the SLAs of existing systems.We describe the design and the implementation of Clotho, evaluate it with benchmarks drawn from real MapReduce applications, and demonstrate that it can effectively utilize the spare CPU resource fragments and meanwhile improve the performance of user programs if there is potential to speed up the bottleneck stage of the entire MapReduce execution pipeline.


An Elastic MapReduce Workload/Runtime Co-design

 

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