criticaloracle数据库视频

ORACLEOVERVIEW1ORACLEDATABASEQUALITYOFSERVICEMANAGEMENTKEYFEATURESANDBENEFITSMANAGINGANDMONITORINGDATABASESERVICELEVELSINTHEPRIVATECLOUDFEATURESActivelymanagedatabaseserviceresponsetimeSLAsManageall11.
2+RACDBsinaclusterfromasingledashboardSupportsserverpoolsandmultipleDBsperserverCustomizableend-to-endworkloadclassificationMeasureandmanagetoactualperformancelevelsEasilydefineandswitchpolicieswithoutdowntimeReal-timerecommendationswithprojectionsImplementJITresourceallocationwithasingleclickProtectdatabaseswithMemoryGuardBENEFITSAssurespredicableperformanceforDatabaseCloudServicesDynamicallyallocatesresourcestomeetSLAsReducesITcostsbyoptimizingresourceuseFullyintegratedandsupportedonOracleEngineeredSystemsandOracleEnterpriseManagerCloudControlOracleDatabaseQualityofServiceManagementallowssystemadministratorstodirectlymanagedatabaseservicelevelshostedonOracleRealApplicationDatabasesincludingExadataDatabaseMachine.
Usingapolicy-basedarchitecture,QoSManagementcorrelatesaccuraterun-timeperformanceandresourcemetrics,analyzesthisdatawithitsexpertsystemtoidentifybottlenecks,andproducesrecommendedresourceadjustmentstomeetandmaintainperformanceobjectivesunderdynamicloadconditions.
ShouldsufficientresourcesnotbeavailableQoSwillpreservethemorebusinesscriticalobjectivesattheexpenseofthelesscriticalones.
InconjunctionwithClusterHealthMonitor,QoSManagement'sMemoryGuarddetectsnodesthatareatriskoffailureduetomemoryover-commitment.
Itrespondsbyautomaticallypreventingnewconnectionsthuspreservingexistingworkloadsandrestoresconnectivityoncethesufficientmemoryisagainavailable.
*ConsolidationintotheCloudwithOracleDatabaseQualityofServiceManagementOracleDatabaseQoSManagementisanautomated,policy-basedproductthatmonitorstheworkloadrequestsforanentiredatabaseclusterorcloud.
Itmanagestheresourcesthataresharedacrossdatabaseservicesandadjuststhesystemconfigurationtokeeptheseservicesrunningattheperformancelevelsneededbyyourbusiness.
Itrespondsgracefullytochangesinsystemconfigurationanddemand,thusavoidingadditionaloscillationsintheperformancelevelsofyourservices.
AscompanieshaveembarkeduponconsolidationinitiativestoincreasethereturnontheirITdollar,theyarefacedwiththerequirementtonotonlyphysicallyconsolidatetofewerdatacentersbuttoconsolidatedatabasesonsharedhardwaresuchastheExadataDatabaseMachine.
HavingmanydatabasessharinghardwareisonlypossibleifworkloadscanbeaccuratelymeasuredandmonitoredandServiceLevelAgreements(SLAs)canbedefinedandactivelymanaged.
Activemanagementnotonlymeansmonitoringbuttheabilitytodynamicallyallocateresourcesjust-in-timetomeetcurrentdemand.
ThisisespeciallycriticalforopenworkloadssuchasOLTPInternetapplicationswheredemandisindependentofresponsetime.
ThisisthefocusandthesolutionprovidedbyOracle'sQualityofServiceManagementtechnology.
ORACLEOVERVIEW2QoSManagementmonitorstheperformanceofeachdatabaseworkrequestonatargetclusterordatabasecloud.
Makinguseofpolicy-definedclassifications,itstartstotrackaworkrequestfromthetimeitarrivesatthedatabaseviaadatabaseservice.
Byaccuratelymeasuringthetwocomponentsofresponsetime,thetimespentusingresourcesandthetimespentwaitingtouseresources,QoSManagementcanquicklydetectbottlenecksinthesystem.
Itthenmakesrecommendationstoreallocateresourcestorelieveabottleneckbasedupontotalclusterimpact,thuspreservingorrestoringservicelevels.
OracleDatabaseQoSManagementmanagestheresourcesonyoursystemsothat:Whensufficientresourcesareavailabletomeetthedemand,business-levelperformancerequirementsforyourservicesaremet,eveniftheworkloadchanges;Whensufficientresourcesarenotavailabletomeetthedemand,QoSManagementattemptstosatisfythemorecriticalbusinessperformancerequirementsattheexpenseoflesscriticalones;Whenloadconditionsseverelyexceedcapacity,resourcesremainavailable.
QoSManagementcanmangeservicelevelsforconsolidatedworkloadswithinadatabase,acrossdatabasessharingthesameservers,oracrossdatabasesindifferentserverpoolswithinanOracleRACclusterordatabasecloud.
OracleDatabaseQoSManagementwithOracleRealApplicationClustersThefullcapabilitiesofQoSManagementareincludedintheOracleDatabaseRACandRACOneNodeOptionstodeployandmanageconsolidatedservicesonadatabasecloud.
OperationsManagerscanclassifyworkloads,createpoliciesbydefiningperformanceobjectivesandrelativerankingsofworkload'sbasedupontheirSLA's,andenableQoSManagementtotrackperformanceandresourcesinreal-timeonafullyintegratedEnterpriseManagerCloudControldashboard.
Then,whenaperformanceobjectiveisviolateddueto,forexample,ademandsurge,arecommendationisgeneratedwithanalertnotificationandanimplementableactionwithfullcluster-wideprojectedimpactsismadeavailable.
WhenQoSManagementisenabled,individualOracleRACdatabasenodesareprotectedfrommemoryrelatedfailures.
TheMemoryGuardfeaturestracksreal-timememoryuseandshoulditdetectanodehasover-committedmemory,willpreventnewdatabaserequestsfrombeingsentuntilthecurrentloadisrelieved.
OracleDatabaseQoSManagementwithOracleEngineeredSystemsInadditiontostandardOracleRACorRACOneNodedeployments,QoSManagementiscertifiedandincludedwiththeOracleExadataDatabaseMachineandOracleDatabaseAppliancewhenlicensedforRACorRACOneNode.
QoSManagementisanessentialtechnologyandmanagementcapabilitywhenusingORACLEOVERVIEW3OracleEngineeredSystemsasaconsolidationplatformfordeployingDatabaseCloudservices.
ContactUsFormoreinformationaboutOracleDatabaseQualityofServiceManagement,pleasevisitoracle.
comorcall+1.
800.
ORACLE1tospeaktoanOraclerepresentative.
*(NotestartinginOracleGridInfrastructureRelease12.
1.
0.
2MemoryGuardisintegratedintoOracleClusterwareandnolongerrequiresQoSManagementtobeenabled.
)Copyright2013,Oracleand/oritsaffiliates.
Allrightsreserved.
Thisdocumentisprovidedforinformationpurposesonlyandthecontentshereofaresubjecttochangewithoutnotice.
Thisdocumentisnotwarrantedtobeerror-free,norsubjecttoanyotherwarrantiesorconditions,whetherexpressedorallyorimpliedinlaw,includingimpliedwarrantiesandconditionsofmerchantabilityorfitnessforaparticularpurpose.
Wespecificallydisclaimanyliabilitywithrespecttothisdocumentandnocontractualobligationsareformedeitherdirectlyorindirectlybythisdocument.
Thisdocumentmaynotbereproducedortransmittedinanyformorbyanymeans,electronicormechanical,foranypurpose,withoutourpriorwrittenpermission.
OracleisaregisteredtrademarkofOracleCorporationand/oritsaffiliates.
Othernamesmaybetrademarksoftheirrespectiveowners.
0109