Bricklayer: Resource Composition on the Spot Market

Walter Wong, Lorenzo Corneo, Aleksandr Zavodovski, Pengyuan Zhou, Nitinder Mohan, J. Kangasharju
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引用次数: 3

Abstract

AWS offers discounted transient virtual instances as a way to sell unused resources in their data-centers, and users can enjoy up to 90% discount as compared to the regular on-demand pricing. Despite the economic incentives to purchase these transient instances, they do not come with regular availability SLAs, meaning that they can be evicted at any moment. Hence, the user is responsible for managing the instance availability to meet the application requirements. In this paper, we present Bricklayer, a software tool that assists users to better use transient resources in the cloud, reducing costs for the same amount of resources, and increasing the overall instance availability. Bricklayer searches for possible combinations of smaller and cheaper instances to compose the requested amount of resources while deploying them into different spot markets to reduce the risk of eviction. We implemented and evaluated Bricklayer using 3 months of historical data from AWS and found out that it can reduce up 54% of the regular spot price and up to 95% compared to the standard on-demand pricing.
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砖瓦匠:现货市场上的资源构成
AWS提供了折扣的瞬时虚拟实例,作为在其数据中心出售未使用资源的一种方式,与常规按需定价相比,用户可以享受高达90%的折扣。尽管购买这些暂态实例具有经济动机,但它们并不附带常规可用性sla,这意味着它们可以随时被驱逐。因此,用户负责管理实例可用性以满足应用程序需求。在本文中,我们介绍了Bricklayer,这是一个软件工具,可以帮助用户更好地使用云中的瞬时资源,降低相同数量资源的成本,并提高整体实例可用性。Bricklayer会搜索更小、更便宜的实例的可能组合,以组合所要求的资源数量,同时将它们部署到不同的现货市场,以降低被驱逐的风险。我们使用AWS 3个月的历史数据对Bricklayer进行了实施和评估,发现它可以比常规现货价格降低54%,比标准按需定价降低95%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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