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Average Delay Guarantee in Server Systems Using Admission Control

Abstract : Although server technology provides a mean to support a wide range of online services and applications, their ad-hoc conguration poses signicant challenges to the perfor- mance, availability and economical costs of applications. One of the main concerns is that under a heavy load, the delay introduced by a server in the transaction process may grow unbounded. This paper precisely addresses this issue. First, we present the design of a server model as a non-linear continuous-time model. Second, we develop an admission control algorithm that allow to ensure a maximum average delay on the server. Model and control algorithm were implemented and applied on the standard PostgreSQL database server running the TPC-C warehouse application. The experiments show that the proposed method provides signicant benets for database servers management.
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Contributor : Luc Malrait <>
Submitted on : Thursday, January 7, 2010 - 12:56:27 PM
Last modification on : Wednesday, May 13, 2020 - 4:16:01 PM
Document(s) archivé(s) le : Tuesday, June 15, 2010 - 6:18:48 PM


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  • HAL Id : hal-00404404, version 1


Luc Malrait, Nicolas Marchand, Sara Bouchenak. Average Delay Guarantee in Server Systems Using Admission Control. 8th IFAC Workshop on Time Delay Systems, Sep 2009, Sinaia, Romania. ⟨hal-00404404⟩



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