Sökning: "Performance anomalies"

Visar resultat 1 - 5 av 20 avhandlingar innehållade orden Performance anomalies.

  1. 1. Performance problem diagnosis in cloud infrastructures

    Detta är en avhandling från Umeå : Department of Computing Science, Umeå University

    Författare :Olumuyiwa Ibidunmoye; Umeå universitet.; [2016]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Systems Performance; Performance anomalies; Performance bottlenecks; Cloud infrastructures; Cloud Computing; Cloud Services; Cloud Computing Performance; Performance problems; Performance anomaly detection; Performance bottleneck identification; Performance Root-cause Analysis; Computer Systems; datorteknik; Computer Science; datalogi;

    Sammanfattning : Cloud datacenters comprise hundreds or thousands of disparate application services, each having stringent performance and availability requirements, sharing a finite set of heterogeneous hardware and software resources. The implication of such complex environment is that the occurrence of performance problems, such as slow application response and unplanned downtimes, has become a norm rather than exception resulting in decreased revenue, damaged reputation, and huge human-effort in diagnosis. LÄS MER

  2. 2. Performance anomaly detection and resolution for autonomous clouds

    Detta är en avhandling från Umeå : Umeå University

    Författare :Olumuyiwa Ibidunmoye; Umeå universitet.; [2017]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cloud Computing; Distributed Systems; Performance Management; Anomaly Detection; Quality of Service; Performance Analytics; Machine Learning; Computer Systems; datorteknik; administrativ databehandling; Computing Science; Computer Science; datalogi;

    Sammanfattning : Fundamental properties of cloud computing such as resource sharing and on-demand self-servicing is driving a growing adoption of the cloud for hosting both legacy and new application services. A consequence of this growth is that the increasing scale and complexity of the underlying cloud infrastructure as well as the fluctuating service workloads is inducing performance incidents at a higher frequency than ever before with far-reaching impact on revenue, reliability, and reputation. LÄS MER

  3. 3. Ett dynamiskt perspektiv på individuella skillnader av heuristisk kompetens, intelligens, mentala modeller, mål och konfidens i kontroll av mikrovärlden Moro

    Detta är en avhandling från Institutionen för datavetenskap

    Författare :Fredrik Elg; Linköpings universitet.; [2002]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; complexed dynamic systems; Ravens matrices; TECHNOLOGY Information technology Computer science; TEKNIKVETENSKAP Informationsteknik Datavetenskap;

    Sammanfattning : Theories predicting performance of human control of complex dynamic systems must assess how decision makers capture and utilise knowledge for achieving and maintaining control. Traditional problem solving theories and corresponding measures such as Ravens matrices have been applied to predict performance in complex dynamic systems. LÄS MER

  4. 4. Miniprojects and Context Rich Problems Case studies with qualitative analysis of motivation, learner ownership and competence in small group work in physics

    Detta är en avhandling från Institutionen för tema

    Författare :Margareta Enghag; Karlstads universitet.; Mälardalens högskola.; Mälardalens högskola.; Linköpings universitet.; [2004]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Physics; Fysik; Ämnesdidaktik; Subject Didactics; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Social sciences; context rich problems; CRP; mini projects; MP; physics in upper secondary school; Students’ ownership of learning; SOL; SAMHÄLLSVETENSKAP;

    Sammanfattning : This thesis reports case studies of students working with context rich problems (CRP) and mini projects (MP) in physics in an upper secondary school class and in a physics teacher education class at university. The students report a big shift from physics in secondary school as fun and easy, to physics in upper secondary school as boring, difficult and with lack of time for reflections and physics talking, but they also found physics as interesting in itself. LÄS MER

  5. 5. Anomaly detection in the surveillance domain

    Detta är en avhandling från Örebro : Örebro universitet

    Författare :Christoffer Brax; Högskolan i Skövde.; Högskolan i Skövde.; Örebro universitet.; [2011]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Teknik; Technology; Anomaly Detection; Information Fusion; Visual Surveillance; Maritime Domain Awareness; Computer and Systems Science; Data- och systemvetenskap;

    Sammanfattning : In the post September 11 era, the demand for security has increased in virtually all parts of the society. The need for increased security originates from the emergence of new threats which differ from the traditional ones in such a way that they cannot be easily defined and are sometimes unknown or hidden in the “noise” of daily life. LÄS MER