Title

OpERA: Opportunistic and Efficient Resource Allocation in Hadoop YARN By Harnessing Idle Resources

Document Type

Conference Proceeding

Publication Date

9-14-2016

Abstract

Efficiently managing resources and improving throughput in a large-scale cluster has become a crucial problem with the explosion of data processing applications in recent years. Hadoop YARN and Mesos, as two universal resource management platforms, have been widely adopted in the commodity cluster for co-deploying multiple data processing frameworks, such as Hadoop MapReduce and Apache Spark. However, in the existing resource management, a certain amount of resources are exclusively allocated to a running task and can only be re-assigned after that task is completed. This exclusive mode unfortunately leads to a potential problem that may underutilize the cluster resources and degrade system performance. To address this issue, we propose a novel opportunistic and efficient resource allocation approach, named OpERA, which breaks the barriers among the encapsulated resource containers by leveraging the knowledge of actual runtime resource utilizations to re-assign opportunistic available resources to the pending tasks. We implement and evaluate OpERA in Hadoop YARN v2.5. Our experimental results show that OpERA significantly reduces the average job execution time and increases the resource (CPU and memory) utilizations.

DOI

10.1109/ICCCN.2016.7568553

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