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Container Live Migration

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Logo of Chaos Computer Club e.V.Chaos Computer Club e.V.
 Reber, Adrian

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Container Live Migration
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44
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CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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The difficult task to checkpoint and restore a process is used in many container runtimes to implement container live migration. This talk will give details how CRIU is able to checkpoint and restore processes, how it is integrated in different container runtimes and which optimizations CRIU offers to decrease the downtime during container migration. In this talk I want to provide details how CRIU checkpoints and restores a process. Starting from ptrace() to pause the process, how parasite code is injected into the process to checkpoint the process from its own address space. How CRIU transforms itself to the restored process during restore. How SELinux and seccomp is restored. I also want to give an overview how CRIU uses userfaultfd for lazy migration and dirty page tracking for pre-copy migration. I want to end this talk with an overview about how CRIU is integrated in different container runtimes to implement container live migration.
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Human migrationSystem programmingProcess (computing)Human migrationContent (media)Basis <Mathematik>Similarity (geometry)Computer animation
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System programmingHuman migrationBlogDemo (music)BlogContent (media)Different (Kate Ryan album)BitComputer animation
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System programmingHuman migrationPoint (geometry)Human migrationVirtual machineView (database)Expected valueComputer animation
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System programmingPhysical systemSource codeHeat transferHuman migrationMiniDiscState of matterPhysical systemSource codeVirtual machineMultiplicationHeat transferComputer animation
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ImplementationAddress spaceDifferent (Kate Ryan album)Computer animation
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System programmingProcess (computing)Principal ideal domainInformationKernel (computing)Interface (computing)INTEGRALSoftware developerAddress spaceProcess (computing)CodeMultiplicationPrincipal ideal domainMiniDiscMetropolitan area networkRadio-frequency identificationComputer animation
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CodeSystem programmingProcess (computing)DemonTask (computing)Semiconductor memoryWeb pageMultiplication signCodeAddress spaceProcess (computing)MereologyGame controllerInformationSurjective functionCASE <Informatik>Shape (magazine)Heat transferGoodness of fitBookmark (World Wide Web)SoftwarePhysical systemDemonMiniDiscComputer animation
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System programmingInformation securityHuman migrationPoint (geometry)InformationHuman migrationProcess (computing)CodeSystem of linear equationsInformation securityMiniDiscComplete metric spaceComputer animation
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System programmingComputer-generated imageryReading (process)Process (computing)MiniDiscMedical imagingSemiconductor memoryHuman migrationComputer animation
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Event horizonPrincipal ideal domainCloningProcess (computing)Principal ideal domainNetwork topologyCloningInterface (computing)Computer animation
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Open setMorphismusStructural loadInformation securityProcess (computing)Hydraulic jumpSystem programmingHuman migrationComputer fileRight angleSlide ruleProcess (computing)Scripting languageUniform resource locatorCodeInformation securityOpen setState of matterVideo gameMultiplicationPosition operatorSemiconductor memoryStructural loadMappingHuman migrationNetwork topologyWeb pageHydraulic jumpMobile appSet (mathematics)Row (database)MorphingComputer animation
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Human migrationDemonIP addressFile formatFormal grammarSystem programmingDaylight saving timeComputer virusInformation managementElectronic mailing listTwitterBlogEvent horizonCartesian coordinate systemMathematicsJava appletServer (computing)Virtual machineIntegerComputer fileLibrary (computing)MereologyRun time (program lifecycle phase)Semiconductor memoryHuman migrationVideo gameINTEGRALCodeBlogDemo (music)CASE <Informatik>Presentation of a groupBeta functionKernel (computing)2 (number)State of matterWeb pageMetropolitan area networkMultiplication signFile systemStapeldateiPressureMedical imagingRootLink (knot theory)ImplementationRow (database)ProgrammschleifeProduct (business)MetadataFile archiverSlide ruleDemonWordKey (cryptography)Set (mathematics)Physical systemStack (abstract data type)Point (geometry)Computer animation
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System programmingConnected spacePoint (geometry)Service (economics)Demo (music)Hash functionView (database)MetadataVirtual machineMedical imagingHuman migrationIP addressOpen setVideo gameMusical ensembleMereologyCASE <Informatik>Windows RegistrySpeicheradresseXMLMeeting/Interview
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WebsiteSystem programmingComputer animation
Transcript: English(auto-generated)