NDLI: An Approach for Real-Time Database Modeling and Performance Management

Content Provider	IEEE Xplore Digital Library
Author	Jisu Oh Kyoung-Don Kang
Copyright Year	2007
Description	Author affiliation: Dept. of Comput. Sci., State Univ. of New York, Binghamton, NY (Jisu Oh; Kyoung-Don Kang)
Abstract	It is challenging to manage the performance of real-time databases (RTDBs) that are often used in data-intensive real-time applications such as agile manufacturing and target tracking. Feedback control has recently been considered a promising approach to enabling reliable real-time data service. However, most existing work on feedback control of RTDB performance is not based on a RTDB-specific control model, which is critical for closed-loop system design. To address this problem, we design a novel RTDB model that can capture RTDB dynamics by modeling the relation between the total arrival rate (sum of the transaction arrival rate and restart rate) and utilization via a difference equation. Based on the model, we design and tune a utilization controller to compute the total arrival rate adjustment needed to support the desired average/transient utilization. We also design a QoS management scheme and admission control technique that can judiciously adapt the transaction QoS and arrival rate in a RTDB, if necessary, to support the desired utilization, while enhancing the success ratio. In a simulation study, we show that our approach can support the desired average/transient utilization for a range of transaction arrival rates under severe data contention, while considerably improving the success ratio compared to the tested baselines
Sponsorship	IEEE Comput. Soc. Tech. Comm. on Real-Time Syst
Starting Page	326
Ending Page	336
File Size	719538
Page Count	11
File Format	PDF
ISBN	0769528007
ISSN	10801812
DOI	10.1109/RTAS.2007.6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Agile manufacturing Computer science Target tracking Job shop scheduling Admission control Concurrency control Feedback control Transaction databases Mathematical model Testing
Content Type	Text
Resource Type	Article

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