14 Result(s)
within
Joseph L. Hellerstein
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Article
Open AccessAdapting modeling and simulation credibility standards to computational systems biology
Computational models are increasingly used in high-impact decision making in science, engineering, and medicine. The National Aeronautics and Space Administration (NASA) uses computational models to perform co...
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Chapter
Introduction to Control Theory And Its Application to Computing Systems
Feedback control is central to managing computing systems and data networks. Unfortunately, computing practitioners typically approach the design of feedback control in an ad hoc manner. Control theory provide...
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Chapter and Conference Paper
Engineering Self-Organizing Systems
Self-organizing systems (SOS) hold the promise of addressing many challenges in large scale distributed systems, especially in reducing the need for human intervention for configuration, recovery from failures...
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Article
Management of Integrated End-to-End Communications and Services—Report on NOMS 2006
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Chapter and Conference Paper
Control Considerations for Scalable Event Processing
The growth in the scale of systems and networks has created many challenges for their management, especially for event processing. Our premise is that scaling event processing requires parallelism. To this end...
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Article
GAP: A General Approach to Quantitative Diagnosis of Performance Problems
Quantitative performance diagnosis (QPD) provides explanations that quantify the impact of problem causes. An example of such an explanation is it Increased web server traffic accounts for 90% of the increase in ...
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Chapter and Conference Paper
Generic Online Optimization of Multiple Configuration Parameters with Application to a Database Server
Optimizing configuration parameters is time-consuming and skills-intensive. This paper proposes a generic approach to automating this task. By generic, we mean that the approach is relatively independent of th...
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Chapter
Generic On-Line Discovery of Quantitative Models for Service Level Management
Quantitative models are needed for a variety of management tasks, including (a) identification of critical variables to use for health monitoring, (b) anticipating service level violations by using predictive ...
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Chapter and Conference Paper
Online Response Time Optimization of Apache Web Server
Properly optimizing the setting of configuration parameters can greatly improve performance, especially in the presence of changing workloads. This paper explores approaches to online optimization of the Apach...
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Chapter
Mining Partially Periodic Patterns With Unknown Periods From Event Stream
Temporal, periodic behavior is common in many application data [6][7][11] including web logs, stock data, alarms of telecommunications, and event logs of computer networks. This is because of routine behaviors...
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Chapter and Conference Paper
Optimizing Quality of Service Using Fuzzy Control
The rapid growth of eCommerce increasingly means busi- ness revenues depend on providing good quality of service (QoS) for web site interactions. Traditionally, system administrators have been respon- sible fo...
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Chapter and Conference Paper
Scalable Visualization of Event Data
Monitoring large distributed systems often results in massive quantities of data that must be analyzed in order to yield useful information about the system. This paper describes a task-oriented approach to ex...
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Chapter and Conference Paper
EventBrowser: A Flexible Tool for Scalable Analysis of Event Data
Event management is fundamental to network and systems management. To date, this discipline has focused on reporting alerts in real time. This paper describes a tool, EventBrowser, intended for ad hoc analysis...
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Chapter and Conference Paper
An introduction to modeling dynamic behavior with time series analysis
The need to model dynamic behavior in information systems arises in many contexts, such as characterizing the locality of file access patterns, evaluating the dynamic behavior of scheduling algorithms, and ide...
