Database admission control and request scheduling for dynamic content Web servers

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dc.contributor.advisorZwaenepoel, Willyen_US
dc.creatorElnikety, Sameh Mohameden_US
dc.date.accessioned2009-06-04T08:37:12Zen_US
dc.date.available2009-06-04T08:37:12Zen_US
dc.date.issued2003en_US
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.en_US
dc.format.extent52 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS COMP.SCI. 2003 ELNIKETYen_US
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>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/17589en_US
dc.language.isoengen_US
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.en_US
dc.subjectComputer scienceen_US
dc.titleDatabase admission control and request scheduling for dynamic content Web serversen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentComputer Scienceen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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