IBM OS manual Cics Transaction Affinities Utility Guide

Page 92

76 CICS Transaction Affinities Utility Guide

Image 92

Contents IBM Page IBM Third edition March Contents Appendix A. Details of what is detected Reporter output Scanner output Examples Vi Cics Transaction Affinities Utility Guide Vii Trademarks Preface Argument zero Cics books for Cics Transaction Server for OS/390 BibliographyCics Transaction Server for OS/390 CICSPlex SM books for Cics Transaction Server for OS/390 Other Cics booksSummary of changes Xiv Cics Transaction Affinities Utility Guide Introducing transaction affinities Affinities, see the Cics Application Programming GuideTarget region Requesting regionRouting region Transaction affinities Benets of dynamic routingWhat does dynamic routing cost? Inter-transaction affinity Transaction-system affinityAffinity relations GlobalAffinity lifetimes Cics programming techniques for transaction affinitySafe programming techniques Unsafe programming techniquesSuspect programming techniques Avoiding the effects of transaction affinityProtecting applications from one another What next? Introducing the Transaction Affinities Utility Important noteAffinity utility program components Commands detected by the Transaction Affinities Utility Scanner component Detector componentWhat is detected Detector componentsWhat is not detected Worsening of transaction affinities relationsControlling the Detector How the affinity data is collectedSaving affinity data Affinity data Vsam les Control record Vsam leDetector performance Reporter componentBuilder component Report presenting the affinity data in a readable formIntroducing the Transaction Affinities Utility Cics Transaction Affinities Utility Guide Estimating the size of the MVS data space and Vsam les Preparing to use the affinity utility programCreating the Vsam les Dening the Vsam les to Cics #termidsPreparing to use the affinity utility program Cics Transaction Affinities Utility Guide Running the Scanner Creating a summary reportAffmod DD statement Creating a detailed report Cics Transaction Affinities UtilityContents of a detailed report Is an example of a detailed report produced by the Scanner Cics Transaction Affinities Utility Guide Changing the options Running the DetectorChanging the state Displaying the Detector control screen CAFF01When you can start collecting affinity data Starting the collection of affinity dataPausing the collection of affinity data When you can pause affinity data collectionWhen you can resume collecting affinity data Resuming the collection of affinity dataWhen you can stop collecting affinity data Stopping the collection of affinity dataChanging the Detector options CAFF02Restore data on start „1… The control options Perform periodic saves„4… Last update by userid Size of dataspaceTransid prex „2… Detect affinity typesDetector errors Cics Transaction Affinities Utility Guide Running the Reporter Requesting a report from the ReporterCAUAFF1, CAUAFF2, and CAUAFF3 DD statements Caucntl DD statementsTrangrps DD statement Output from the ReporterCmdgrps DD statement Affinity report System„1… Incorrect affinity types „2… Affinity types reported„3… Affinities reports TrangroupRecoverable CommandAffinity LifetimeProducing affinity transaction group denitions TerminalBTS Task Total TransactionsUsing the affinity report Afflifesystem Descaddress CWAUnderstanding the affinities Modifying affinity transaction groupsRemove false affinities Remove affinity relation worseningCompressing affinity data Using the IBM Cross System Product SPI commandsENQUEUEs/DEQUEUEs Shared storageDetailed affinity analysis ENQUEUE/DEQUEUEGetmain Shared SPI commands Cics Transaction Affinities Utility Guide CONTEXT=plexname Running the BuilderDSPSIZE=16number Affgrps DD statement Syntax for input to the BuilderRepgrps DD statement Builder input syntax Combined affinity transaction group denitions Header statementsOutput from the Builder Combining basic affinity transaction groups Relation a Relation B Resultant relation C Group merge report Data sets processed reportEmpty transaction groups report Error report Sample group merge reportSample error report Cics Transaction Affinities Utility Guide Appendix A. Details of what is detected ENQ/DEQTS commands Load HOLD/RELEASEAddress CWA CANCEL/DELAY/POST/START SPI commands Wait commandsCics Transaction Affinities Utility Guide Examples Reporter outputScanner output Example 2±VS Cobol Which occurs for the rst Move Move Unrecognized Transids Logon or System when Pconv expectedCobol affinities Cics Transaction Affinities Utility Guide Function code values Appendix D. DiagnosticsDetector table manager diagnostics Table identier values Reason code values Detector Cafb request queue manager diagnostics Date formatter diagnosticsReason code values This sectionIndex Bappl Vsam Cics Transaction Affinities Utility Guide Sending your comments to IBM Ibmr IBM