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Locality-Aware Request Distribution in Cluster-based Network Servers (1998)
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BibTeX
@MISC{Pai98locality-awarerequest,
author = {Vivek Pai and Mohit Aron and Gaurav Banga and Michael Svendsen and Peter Druschel and Willy Zwaenepoel and Erich Nahum},
title = {Locality-Aware Request Distribution in Cluster-based Network Servers},
year = {1998}
}
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Abstract
We consider cluster-based network servers in which a front-end directs incoming requests to one of a number of back-ends. Specifically, we consider content-based request distribution: the front-end uses the content requested, in addition to information about the load on the back-end nodes, to choose which back-end will handle this request. Content-based request distribution can improve locality in the back-ends' main memory caches, increase secondary storage scalability by partitioning the server's database, and provide the ability to employ back-end nodes that are specialized for certain types of requests. As a specific policy for content-based request distribution, we introduce a simple, practical strategy for locality-aware request distribution (LARD). With LARD, the front-end distributes incoming requests in a manner that achieves high locality in the back-ends' main memory caches as well as load balancing. Locality is increased by dynamically subdividing the server's working set o...
