Scaling Out with Sybase IQ 15.3 v1.0 Final

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1、SYBASETECHNICALWHITEPAPERFEBRUARY,2011ScalingOutQueryPerformance®®®withSybaseIQ15.3IQ15.3IQ15.3UsingthePlexQ™DistributedQueryPlatform,UsingthePlexQ™DistributedQueryPlatform,aSharedEverythingMPPArchitectureaSharedEverythingMPPArchitectureScalingOutQueryPerformancewit

2、hSybaseIQ15.3–UsingthePlexQ™DistributedQueryPlatform©2011Sybase,Inc.AllRightsReserved.2Version1.0–February2011ScalingOutQueryPerformancewithSybaseIQ15.3–UsingthePlexQ™DistributedQueryPlatformTableofContentsIntroduction................................................

3、..............................................................5SybaseIQMultiplex.........................................................................................................5BalancingtheBenefitsofParallelismwiththeRiskofSaturation........................

4、.................6TheImportanceofSANPerformanceinDQP.....................................................................8UnderstandingParallelisminSybaseIQ......................................................................9QueryProcessingandDataFlowModel........

5、.....................................................................9DynamicParallelism.......................................................................................................10Intra-operatorParallelismEnhancementsinSybaseIQ15........................

6、.........................11UnderstandingDistributedQueryProcessing.............................................................12WhatisDQP?................................................................................................................12HowDoesDQPWor

7、k?....................................................................................................12LogicalServers..............................................................................................................13WhatKindsofQueriesCanBeDistributedAc

8、rossaMultiplex.............................................14HowDoYouKnowifaQuerywasDistributed?..........................................