Google云计算中的技术.ppt
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Google云计算中的技术.ppt

Google云计算中的技术.ppt

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IntroductiontocloudcomputingReview:Whatiscloudcomputing?Review:CharacteristicsofcloudcomputingIaaSInfrastructureasaService2024/10/6GoogleFileSystemMapReducemodelBigtabledatastorageplatformTheGoogleFileSystemTheGoogleFileSystem(GFS)IntroductionIntro:Observations1Intro:Observations2TheDesignTheMasterTheMasterChunkserversClientsChunkLocationsOperationLogSystemInteractions:LeasesandMutationOrderSystemInteractions:LeasesandMutationOrderAtomicRecordAppendAtomicRecordAppend:How?AtomicRecordAppend:How?ReplicaPlacementChunkcreationDetectingStaleReplicasGarbagecollectionFaultTolerance:HighAvailabilityFaultTolerance:DataIntegrityGoogleFileSystemMapReducemodelBigtabledatastorageplatformIntroductiontoMapReduceMapReduce:InsightMapReduceProgrammingModelMapoperationReduceoperationPseudo-codeMapReduce:ExecutionoverviewMapReduce:ExampleMapReduceinParallel:ExampleMapReduce:FaultToleranceMapReduce:MapReduce:PageRankPageRank:KeyInsightsPageRankusingMapReducePageRankusingMapReducePhase1:ProcessHTMLPhase2:PageRankDistributionMapReduce:SomeMoreAppsMapReduce:ExtensionsandsimilarappsLargeScaleSystemsArchitectureusingMapReduceGoogleFileSystemMapReducemodelBigtabledatastorageplatformBigTable:ADistributedStorageSystemforStructuredDataIntroductionMotivationWhynotjustusecommercialDB?GoalsBigTableBuildingBlocksBasicDataModelWebTableExampleRowsRows(cont.)ColumnsTimestampsImplementation–ThreeMajorComponentsImplementation(cont.)TabletsTabletLocationTabletAssignmentAPIRefinements:LocalityGroupsRefinements:CompressionRefinements:BloomFiltersBigTable:ADistributedStorageSystemforStructuredDataIntroductionMotivationWhynotjustusecommercialDB?GoalsBigTableBuildingBlocksBasicDataModelWebTableExampleRowsRows(cont.)ColumnsTimestampsImplementation–ThreeMajorComponentsImplementation(cont.)TabletsTabletLocationTabletAssignmentAPIRefinements:LocalityGroupsRefinements:CompressionRefinements:BloomFiltersQ&AThanks