Temporal Overbooking of Lambda Functions in the Cloud

Temporal Overbooking of Lambda Functions in the Cloud
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云中 Lambda 函数的临时超额预订

DOI:
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发表时间:
2019
期刊:
arXiv.org
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通讯作者:
G. Kesidis
G. Kesidis
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作者:
G. Kesidis

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我们考虑调度“无服务器计算”实例(如Amazon Lambda函数)的问题。我们假设Lambda函数的需求由每个租户的令牌桶机制调制,而不是每个租户/客户的配额。基于上界的固定数量的活跃的“Lambda服务器”考虑Lambda函数的执行时间分布,我们描述了一种方法,云可以用来超额预订Lambda函数,以提高IT资源的利用率。单个服务层的早期界限扩展到多个服务层的情况。
We consider the problem of scheduling "serverless computing" instances such as Amazon Lambda functions. Instead of a quota per tenant/customer, we assume demand for Lambda functions is modulated by token-bucket mechanisms per tenant. Based on an upper bound on the stationary number of active "Lambda servers" considering the execution-time distribution of Lambda functions, we describe an approach that the cloud could use to overbook Lambda functions for improved utilization of IT resources. An earlier bound for a single service tier is extended to the case of multiple service tiers.
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发表时间: 2018-07
期刊: --
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作者:
Liang Wang;Mengyuan Li;Yinqian Zhang;Thomas Ristenpart;M. Swift
通讯作者: Liang Wang;Mengyuan Li;Yinqian Zhang;Thomas Ristenpart;M. Swift