tools for monitoring and tuning your ca idms/dc system

World®’16

ToolsforMonitoringandTuningYourCAIDMS™/DCSystemJohnSiraco – Director,SoftwareEngineering – CATechnologies

MFX70E

MAINFRAMEANDWORKLOADAUTOMATION

2 ©2016CA.ALLRIGHTSRESERVED.@CAWORLD#CAWORLD

Abstract

ThishighleveloverviewfocusesontoolsthatcanbeusedtomonitorandtuneCAIDMS/DBandCAIDMS/DCsystemstomeetSLAsandotherperformancegoals.ThissessionwillcoversomeofthebenefitsofCAIDMS™PerformanceMonitor,CAMainframeApplicationTuner,andCASYSVIEW®andthevaluetheyprovideinyourenvironment.

JohnSiraco

CATechnologiesDirector,SoftwareEngineering


Agenda

CAIDMSPERFORMANCEMONITOR

CASYSVIEWPERFORMANCEMANAGEMENT

CAMAINFRAMEAPPLICATIONTUNER

1

2

3


CAIDMSPerformanceMonitor



§ RealTimeMonitor– Specificsystem-resourcestatisticsatthetimeoftherequest

§ IntervalMonitor– System-widewaittimestatisticsforaunitoftime– Runbatchreportstotracksystemutilization

§ ApplicationMonitor– Statisticsaboutresourceusagebyprograms,tasks,userids,andlterms– Runbatchreportstotracksystemutilization



§ Capturesanddisplayssnapshotof“current”informationabouttheuseofCAIDMSsystemresources

§ Automaticallyrefreshesthescreenwithupdatedstatisticsbasedontherefreshinterval

§ Onlinecomponentonly– OnlineTaskcode- PMRM

PMRM



§ IDMSINFOaddressspace– Runsinaseparateaddressspace– Usescrossmemoryservicestoprovideremotemonitoringfacilities

fromany/toanyIDMSsystemrunningontheLPAR– NeedstobestartedseparatelyfromtheCV– Mustbeactivetouseremotemonitoring– OnlyavailableonZ/OSplatform

(PMRM)RemoteMonitoring



§ TracksinformationabouttheuseofCAIDMSsystemresourcesoveranintervaloftime

§ OnlinecomponentandBatchreports– OnlineTaskcode- PMIM

Interval Monitor



§ TrackstheuseofCAIDMSapplicationstatistics– MusthaveSTATISTICSTRANSACTIONONatsystemgenerationtime

§ DC275912:TASKSTATISTICSNOTGENNED

§ OnlinecomponentandBatchReports– OnlineTaskcode– PMAM

ApplicationMonitor


RealTimeMonitoring(PMRM)


AnalysisOnline(PMIM)


AnalysisOnline(PMAM)


AnalysisPMAMReports


AnalysisPMIMReports



WaitsonJournalI/O.Journalsarethebiggestbottleneckinmostonlinesystems.



Waitson“PDTECB”isaredflag!


PostProcessMonitoring(PMRM)

Thesenumberslookhighbasedontheworkloadwearepushingthrough.Needstobeinvestigated.



Thereisnoexplicitscratchrequestprocessingwithinourapplications.OneormoreSYSGENoptionsaremostlikelycausingthescratchwork.



WaitsonRPL.MostlikelycausedbyunderallocationofRPLsinSYSGEN.



ForcedWrite.AbufferhadtobeforcedoutofthesystemtoallowforcompletionofanotherI/O.



OverlaysandWaitsshouldbezero.Highnumberof“PagesLoaded”and“LoadCount”forthenumberofprogramsusedinourtest.


PostProcessMonitoring(PMIM)


PostProcessMonitoring(PMAReport1)


PostProcessMonitoring(PMIReport2)


CAIDMSSYSVIEWPerformanceManagement


CASYSVIEW

§ IncludesanoptiontomonitorCAIDMSsystems

§ HasCAIDMSSpecificdisplays

§ GetsdatafromIDMSINFOaddressspace

§ MonitorssameinformationastheIDMSRealTimePerformanceMonitor(PMRM)


CASYSVIEW


CAMainframeApplicationTuner



§ Monitors

§ Taskstatus/waits

§ TCB/SRBusage

§ Datasetusage

§ Delays(IDMS/DML)



§ EnablesyoutopinpointbottlenecksduetoCAIDMSrequests

§ EasilyseepercentagesofCAIDMSsamplestakenduringthemonitoredperiod

DisplayCAIDMSDelays



§ Module– NameoftheprogramrequestingCAIDMSDB/DCservices,when

known,orthenameoftheprograminvokedbyspecifyingthetaskcode

§ Offset– Relativeaddresswithinthemoduletowhichcontrolwillbereturned

uponcompletionoftheCAIDMSDB/DCservicerequest

Delays



§ Status– StatusoftheCAIDMSDB/DCservicerequest,whetheritiswaiting

forresources,readytoexecute,orexecuting

§ Wait– IdentifieroftheECBonwhichthetaskiswaiting.TheECBcanbe

internalasdefinedbyCAIDMSmacro#ECBDSorexternalasdefinedbyCAIDMSmacro#ELEDS.Note:ScrollrighttoseethisfieldontheCAIDMSDelayspanel

Delays



§ EnablesyoutopinpointbottlenecksduetorequestsfromDMLstatements

§ SeecurrentormostrecentDMLstatementineffectwhenCAMATdetectedCAIDMSwaitingforresources

DisplayDMLDelays



§ DMLVerb– CommandinaDMLstatementrequestingadatamanipulation

operation– FINDsareconvertedtoOBTAINs,asappropriate

§ DMLTarget– DMLstatementobjectoftherequestedoperation(suchasarecord

orsetname)

§ DMLQualifier– DMLstatementobjectqualifyingthetarget(suchasanareaorset

namewhenthetargetisarecordname)

DMLDelays


DiagnosingProblems:CAMainframeApplicationTuner

§ SelectanIDMSsystemtomonitor.

§ SelectingSUP$TE99inthisexample.



§ CAMATmonitorsandgathersdata.Attheendofthemonitoringcycleweselectthe“AL”AnalyzeAlloption.Sampledataisloaded.



§ LookingattheIDMSdelayspanelweselectatask(OptionDforDetail)withafairlyhighpercentageofwaittime.



§ Detaildisplayshowswemaybehavingabufferingproblemasthistaskiswaitingonabuffer“BCRECB”



§ Batchreportsarethenselectedandrun.LookingatthebatchreportswecanseetherearemultipletaskswaitingforBuffers.TheyarewaitingonBCRECB.


Summary

§ CAIDMSPerformanceMonitor– RealtimeMonitor– IntervalMonitor– ApplicationMonitor

§ CASYSVIEWPerformanceManagement

§ CAMainframeApplicationTuner


RecommendedSessionsSESSION# TITLE DATE/TIME

MFX100S StrategyandVisionforCAIDMS 11/16/2016at12:45pm

MFX101S LegacyisnotaDirtyWord 11/16/2016at1:45pm

MFX102S CAIDMS19.0WebServicesforModernization 11/16/2016at3:00pm

MFX103S CAIDMS19.0SQLEnhancementsforModernization 11/16/2016at3:30pm

MFX104S JavaAccesstoCA-IDMSDataatBT(BritishTelecom) 11/16/2016at4:45pm

MFX105SImplementationandUseofGenericVTAMResourceswithParallelSYSPLEXFeatures(CA andCAXIA)

11/17/2016at12:45pm

MFX106S CAIDMSBufferTuning 11/17/2016at1:45pm

MFX107S M3AServicesMonitor,Measure,ManageandAlert 11/17/2016at3:00pm

MFX108S BirdsofaFeather/StumptheTechie! 11/17/2016at3:45pm


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tools for monitoring and tuning your ca idms/dc system

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