Database admission control and request scheduling for dynamic content Web servers

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dc.contributor.advisorZwaenepoel, Willy
dc.creatorElnikety, Sameh Mohamed
dc.date.accessioned2009-06-04T08:37:12Z
dc.date.available2009-06-04T08:37:12Z
dc.date.issued2003
dc.description.abstractThis thesis presents a method to do admission control and request scheduling for database-bound dynamic content Web servers. Our method is both transparent, requiring no modification to the software components, and external, permitting an implementation in a separate proxy. Admission control prevents overloading the database server. We implement admission control by estimating the amount of work that each request imposes on the system. A request is admitted only when it does not drive the system into overload. Request scheduling improves average response time. We exploit the variability in the workload by using shortest job first scheduling, which reorders the pending requests to reduce the average response time. We evaluate these techniques experimentally using the TPC-W benchmark. We show consistent performance during overload. Moreover, the average response time improves by up to a factor of 14, and peak throughput increases up to 10 percent.
dc.format.extent52 p.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.callnoTHESIS COMP.SCI. 2003 ELNIKETY
dc.identifier.citationElnikety, Sameh Mohamed. "Database admission control and request scheduling for dynamic content Web servers." (2003) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/17589">https://hdl.handle.net/1911/17589</a>.
dc.identifier.urihttps://hdl.handle.net/1911/17589
dc.language.isoeng
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.subjectComputer science
dc.titleDatabase admission control and request scheduling for dynamic content Web servers
dc.typeThesis
dc.type.materialText
thesis.degree.departmentComputer Science
thesis.degree.disciplineEngineering
thesis.degree.grantorRice University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science
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