分布式并行數(shù)據(jù)庫(kù)一致性機(jī)制研究與實(shí)現(xiàn).pdf

1、電子科技大學(xué)碩士學(xué)位論文分布式并行數(shù)據(jù)庫(kù)一致性機(jī)制研究與實(shí)現(xiàn)姓名：宋靜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：劉心松20060102AbstractAbs仃actDistributedandParallelDambaseSystem(DPDBS)isthejointofdistributedcompming，ParallelProcess，andNetworktechnologyItis：notonlypowerfulatdis

2、仃ibuteddatamanagementbutalsohaswellperformanceinparallelprocessingWiththeemensionofdatabaseapplicationthe。DPDBShasobtainedmoreandmorerecognitionIthasbecomeoneofthemostactiveandpromisingresearchareasofcomputerscienceDPSQL

3、isadistributedandparalleldatabasesyst。emdevelopedby8010Research：LabBasedonthemostpopularopensourcedatabasesystemMysql，itnotonlyretainsthehighperformanceofMysqlitselfbutalsopossessesmostvirtuesofDistributedandParallelSyst

4、emssuchashighreliabilityhi曲aVailabilityhighthroughput，largestoragecapabilityereThisthesismainlyresearchtheconsistencymechanismofdistributedandparalleldatabase，theconsistencymechanismofdatabasesystemCanprovideusernormalda

5、tabaseserviceLockmechanismofthatconcurrencycontrolCaneffectivelyvoidthedeadlock，twophasecommitcanguaranteeatomicityofthedistributetransactionwhiledistributedtransactionisexecutedwithwhichtheconsistencyofthedambasesystemi

6、sguaranteedThemethodofcheckingtheinconsistentismainlytotracktheupdatestatusofmultiplerepetitionswhendistributedandparalleldatabasesystemisnotbusyandtodetectinconsistentearlyConsequentlysystemcanberecoveredtobeststatusThi

7、smethodadvancestheusabiliwofdistributedandparalleldatabasesystemThebalanceofthisthesisisorganizedasfollowsInChapter1thisthesisreviewtheprogressofresearchonDDBMSThen，InChapter2thefeaturesofDDBMSandtheconventionalconsisten

8、cymechanismsarediscussedChapter3thisthesisintroducethearchitectureofaqual塒DPDBSnamedDPSQLSomeimplementationdetailsalsoarediscussedThenthisthesisdesignedandimplementedtheconsistencymechanismsinDPSQLInChapter4，performancet