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A reliable power management scheme for consistent hashing based distributed key value storage systems 被引量:1
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作者 Nan-nan ZHAO Ji-guang WAN +1 位作者 Jun WANG Chang-sheng XIE 《Frontiers of Information Technology & Electronic Engineering》 SCIE EI CSCD 2016年第10期994-1007,共14页
Distributed key value storage systems are among the most important types of distributed storage systems currently deployed in data centers. Nowadays, enterprise data centers are facing growing pressure in reducing the... Distributed key value storage systems are among the most important types of distributed storage systems currently deployed in data centers. Nowadays, enterprise data centers are facing growing pressure in reducing their power consumption. In this paper, we propose GreenCHT, a reliable power management scheme for consistent hashing based distributed key value storage systems. It consists of a multi-tier replication scheme, a reliable distributed log store, and a predictive power mode scheduler (PMS). Instead of randomly placing replicas of each object on a number of nodes in the consistent hash ring, we arrange the replicas of objects on nonoverlapping tiers of nodes in the ring. This allows the system to fall in various power modes by powering down subsets of servers while not violating data availability. The predictive PMS predicts workloads and adapts to load fluctuation. It cooperates with the multi-tier replication strategy to provide power proportionality for the system. To ensure that the reliability of the system is maintained when replicas are powered down, we distribute the writes to standby replicas to active servers, which ensures failure tolerance of the system. GreenCHT is implemented based on Sheepdog, a distributed key value storage system that uses consistent hashing as an underlying distributed hash table. By replaying 12 typical real workload traces collected from Microsoft, the evaluation results show that GreenCHT can provide significant power savings while maintaining a desired performance. We observe that GreenCHT can reduce power consumption by up to 35%-61%. 展开更多
关键词 Consistent hash table (CHT) REPLICATION Power management key value storage system Reliability
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Cloud Computing Technology and Its Applications
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作者 Zhao Pei, Lu Ping, Luo Shengmei (ZTE Corporation, Nanjing 210012, P. R. China) 《ZTE Communications》 2010年第4期34-38,共5页
Virtualization and distributed parallel architecture are typical cloud computing technologies. In the area of virtuatization technology, this article discusses physical resource pooling, resource pool management and u... Virtualization and distributed parallel architecture are typical cloud computing technologies. In the area of virtuatization technology, this article discusses physical resource pooling, resource pool management and use, cluster fault location and maintenance, resource pool grouping, and construction and application of heterogeneous virtualization platforms. In the area of distributed technology, distributed file system and KeyNalue storage engine are discussed. A solution is proposed for the host bottleneck problem, and a standard storage interface is proposed for the distributed file system. A directory-based storage scheme for Key/Value storage engine is also proposed. 展开更多
关键词 VIRTUALIZATION distributed computing cloud computing management platform key/value storage engine
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基于P2P技术的电站监控系统分布式数据库
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作者 贺广武 黄锐 《水电自动化与大坝监测》 2009年第5期12-15,共4页
在分析了电站数据库应用场景下的相关需求后,提出了一种基于P2P技术的电站监控系统数据库系统,该系统采用分布式哈希表(DHT)技术,具有良好的分布化、可扩展性、鲁棒性和高性能等特点,具有很好的性价比和推广价值,是电站监控系统数据库... 在分析了电站数据库应用场景下的相关需求后,提出了一种基于P2P技术的电站监控系统数据库系统,该系统采用分布式哈希表(DHT)技术,具有良好的分布化、可扩展性、鲁棒性和高性能等特点,具有很好的性价比和推广价值,是电站监控系统数据库的理想解决方案。 展开更多
关键词 P2P 分布式数据库 分布式哈希表 keyvalue storage
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