Optimizing Memory Allocation in a Serverless Architecture through Function Scheduling

Manish Pandey, Young-Woo Kwon
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Abstract

In a serverless architecture, a function does not fully utilize the allocated memory. Such memory over-allocation increases node utilization and wastes resources, causing cold-start and latency issues. This paper presents a fine-grained scheduling approach for a serverless architecture that aims to address the issue of over-memory allocation and improve data locality. The proposed approach estimates how much memory each function uses so that similar functions can be scheduled on the same node. As a result, it makes less use of each node and keeps the state within a single node. We evaluated our approach through the existing FaaS applications and real-world data.
通过功能调度优化无服务器架构下的内存分配
在无服务器架构中,函数不会充分利用已分配的内存。这种内存过度分配增加了节点利用率,浪费了资源,导致冷启动和延迟问题。本文提出了一种针对无服务器架构的细粒度调度方法,旨在解决内存分配过多的问题并改善数据局部性。所提出的方法估计每个函数使用多少内存,以便在同一节点上调度类似的函数。因此,它减少了对每个节点的使用,并将状态保留在单个节点内。我们通过现有的FaaS应用程序和实际数据评估了我们的方法。
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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