SPA:利用AWS现货市场的可用性

IEEE INFOCOM 2021 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS) Pub Date : 2021-05-10 DOI:10.1109/INFOCOMWKSHPS51825.2021.9484646

Walter Wong, Aleksandr Zavodovski, Lorenzo Corneo, Nitinder Mohan, J. Kangasharju

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引用次数: 2

摘要

亚马逊网络服务(AWS)以折扣价提供临时虚拟服务器，作为销售其数据中心未使用的备用容量的一种方式。虽然临时服务器非常吸引人，因为有些实例有高达90%的折扣，但它们不受常规可用性保证的约束，因为它们是在现货市场上出售的机会性资源。在本文中，我们提出了SPA，这是一个框架，由于从历史数据分析中获得的见解，如跨地区价格变化和驱逐间隔，随着时间的推移，该框架显著提高了现货实例的可靠性。我们实施了SPA可靠性策略，使用AWS一年多的历史定价数据对其进行了评估，发现在最佳情况下，我们可以通过在现货价格上增加3.5%的定价开销来增加瞬态实例的生命周期。

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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SPA: Harnessing Availability in the AWS Spot Market

Amazon Web Services (AWS) offers transient virtual servers at a discounted price as a way to sell unused spare capacity in its data centers. Although transient servers are very appealing as some instances have up to 90% discount, they are not bound to regular availability guarantees as they are opportunistic resources sold on the spot market. In this paper, we present SPA, a framework that remarkably increases the spot instance reliability over time due to insights gained from the analysis of historical data, such as cross-region price variability and intervals between evictions. We implemented the SPA reliability strategy, evaluated them using over one year of historical pricing data from AWS, and found out that we can increase the transient instance lifetime by adding a pricing overhead of 3.5% in the spot price in the best scenario.

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IEEE INFOCOM 2021 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)

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