Proportional-Share Scheduling for Distributed Storage Systems

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Source: Hewlett-Packard

Date: January 2008

Type: White Paper

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Overview: Providing performance guarantees in distributed storage systems is more complex because clients may have different data layouts and access their data through different coordinators (access nodes), yet the performance guarantees required are global. This research paper presents a distributed scheduling framework. It is an adaptation of fair queuing algorithms for distributed servers. Specifically, upon scheduling each request, it enforces an extra delay (possibly zero) that corresponds to the amount of service the client gets on other servers.

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