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ID:34256519
大小:3.82 MB
页数:248页
时间:2019-03-04
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1、www.it-ebooks.infoCassandraHighAvailabilitywww.it-ebooks.infoTableofContentsCassandraHighAvailabilityCreditsAbouttheAuthorAbouttheReviewerswww.PacktPub.comSupportfiles,eBooks,discountoffers,andmoreWhysubscribe?FreeaccessforPacktaccountholdersPrefaceWhatthisbookcov
2、ersWhatyouneedforthisbookWhothisbookisforConventionsReaderfeedbackCustomersupportErrataPiracyQuestions1.Cassandra’sApproachtoHighAvailabilityACIDThemonolithicarchitectureThemaster-slavearchitectureShardingMasterfailoverCassandra’ssolutionCassandra’sarchitectureDis
3、tributedhashtableReplicationReplicationacrossdatacentersTunableconsistencyTheCAPtheoremSummary2.DataDistributionHashtablefundamentalsDistributinghashtablesConsistenthashingThemechanicsofconsistenthashingTokenassignmentManuallyassignedtokenswww.it-ebooks.infovnodes
4、HowvnodesimproveavailabilityAddingandremovingnodesNoderebuildingHeterogeneousnodesPartitionersHotspotsEffectsofscalingoutusingByteOrderedPartitionerAtime-seriesexampleSummary3.ReplicationThereplicationfactorReplicationstrategiesSimpleStrategyNetworkTopologyStrateg
5、ySnitchesMaintainingthereplicationfactorwhenanodefailsConsistencyconflictsConsistencylevelsRepairingdataBalancingthereplicationfactorwithconsistencySummary4.DataCentersUsecasesformultipledatacentersLivebackupFailoverLoadbalancingGeographicdistributionOnlineanalysi
6、sAnalysisusingHadoopAnalysisusingSparkDatacentersetupRackInferringSnitchPropertyFileSnitchGossipingPropertyFileSnitchCloudsnitchesReplicationacrossdatacentersSettingthereplicationfactorConsistencyinamultipledatacenterenvironmentTheanatomyofareplicatedwriteAchievin
7、gstrongerconsistencybetweendatacentersSummary5.ScalingOutwww.it-ebooks.infoChoosingtherighthardwareconfigurationScalingoutversusscalingupGrowingyourclusterAddingnodeswithoutvnodesAddingnodeswithvnodesHowtoscaleoutAddingadatacenterHowtoscaleupUpgradinginplaceScalin
8、gupusingdatacenterreplicationRemovingnodesRemovingnodeswithinadatacenterDecommissioningadatacenterOtherdatamigrationscenariosSnitchchangesSummary6.HighA
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