Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Modeller för minimering av planerad nertidför databasen vid Scania Fleet Management System
KTH, School of Computer Science and Communication (CSC).
2013 (Swedish)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Models for minimization of planned downtime for thedatabase at Scania Fleet Management System (English)
Abstract [sv]

Sammanfattning

I detta examensarbete studeras hur uppmätt och upplevd nertid kan minimeras

under systemunderhåll. Studien fokuserar på databaserna samt arkitekturen

för databasernas närliggande komponenter. Modellerna datamigrering i realtid,

rullande uppgraderingar samt blågrön driftsättning undersöks och utvärderas

som alternativ för minimering av nertid med avseende på hårdvara, verksamhet,

leverans och kunder. I studien har ett hermeneutiskt synsätt använts. Empiriska

intervjuer med anställda samt observationer av driftsättningar har utförts.

Ändringar i arkitektur implementerades utifrån existerande modeller för

minskad nertid. Driftsättningar utan nertid bör baseras på professionella rutiner

och vara delbara i delar som är uppe/nere där dataflödet inte störs. Ändringar

i arkitektur involverar avvägningar i flexibilitet och anpassningar till modeller

för driftsättningar utan nertid.

Abstract [en]

Abstract

In this report, actual and perceived downtime during system maintenances is

studied. The main focus is on the databases and the architecture for adjacent

components. The models live data migration, rolling upgrades and blue-green

deployment are examined and evaluated as options for minimizing downtime

regarding hardware, operations, delivery and customers. A hermeneutical

approach has been used. Empirical interviews with employees and observations

of releases has been used. Architectural implementations were developed from

the architectural zero downtime models. Zero downtime releases should be based

on professional routines and be divisible in uptime/downtime parts where the

data flow is not interrupted. Archicture modifications involve flexibility tradeoffs

and adaptations to zero downtime models.

Place, publisher, year, edition, pages
2013.
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-142007OAI: oai:DiVA.org:kth-142007DiVA: diva2:699395
Educational program
Master of Science in Engineering - Computer Science and Technology
Supervisors
Examiners
Available from: 2014-02-28 Created: 2014-02-27 Last updated: 2014-02-28Bibliographically approved

Open Access in DiVA

Modeller för minimering av planerad nertid(782 kB)157 downloads
File information
File name FULLTEXT01.pdfFile size 782 kBChecksum SHA-512
3f3b85e37cda1e3f349784444d496d277723258af0473cb451ea70ac3b8e5a09fe81f41d64236cd5444a18ad819765e4c3d2b538b5dec8f330e08672dd4366aa
Type fulltextMimetype application/pdf

By organisation
School of Computer Science and Communication (CSC)
Computer Science

Search outside of DiVA

GoogleGoogle Scholar
Total: 157 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 106 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf