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Scaling a Content Delivery system for Open Source Software
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för datavetenskap.
2015 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

This master’s thesis addresses scaling of content distribution sites. In a case study, the thesis investigates issues encountered on ftp.acc.umu.se, a content distribution site run by the Academic Computer Club (ACC) of Umeå University. This site is characterized by the unusual situation of the external network connectivity having higher bandwidth than the components of the system, which differs from the norm of the external connectivity being the limiting factor. To address this imbalance, a caching approach is proposed to architect a system that is able to fully utilize the available network capacity, while still providing a homogeneous resource to the end user. A set of modifications are made to standard open source solutions to make caching perform as required, and results from production deployment of the system are evaluated. In addition, time series analysis and forecasting techniques are introduced as tools to improve the system further, resulting in the implementation of a method to automatically detect bursts and handle load distribution of unusually popular files.

sted, utgiver, år, opplag, sider
2015. , s. 55
Serie
UMNAD ; 1044
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-109779OAI: oai:DiVA.org:umu-109779DiVA, id: diva2:859160
Utdanningsprogram
Master of Science Programme in Computing Science and Engineering
Veileder
Examiner
Tilgjengelig fra: 2015-10-06 Laget: 2015-10-06 Sist oppdatert: 2018-01-11bibliografisk kontrollert

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