IBM OS manual Bappl

Page 98

Detector

(continued)

 

 

 

saving data 17

 

 

 

 

starting data collection

33

 

 

stopping data collection

35

 

 

table manager diagnostics

77

 

what is detected

13

 

 

 

what is not detected 14

 

 

worsening of affinities lifetimes

14

worsening of affinities relations

14

diagnostics

 

 

 

 

 

CAFB request queue manager

80

data formatter 80

 

 

 

table manager

77

 

 

 

dynamic transaction routing

 

 

 

bene®ts

3

 

 

 

 

compared to static routing

1

 

cost

3

 

 

 

 

 

overview

1

 

 

 

 

G

global affinity relation 4

H

HEADER statements, Builder 58

HOLD commands 66

I

installing the affinity utility program creating the VSAM ®les 21 data space size 21 overview 21

restarting your CICS region 23 tailoring your CICS startup job 23

L

lifetime of affinities

 

 

activity

5

 

 

 

logon 5

 

 

 

overview

4

 

 

 

permanent

5

 

 

process

5

 

 

 

pseudoconversation

5

signon

5

 

 

 

system

5

 

 

 

worsening

14

 

 

log off, detection of

14

 

logon affinity lifetime

5

 

LUname affinity relation

4

P

permanent affinity lifetime 5 process 5

programming techniques for transaction affinity safe 6

suspect 6 unsafe 6

protecting applications from one another 7 pseudoconversation affinity lifetime 5 pseudoconversation end, 13

R

relation of affinities

 

 

 

 

 

BAPPL

4

 

 

 

 

 

 

global

4

 

 

 

 

 

 

LUname 4

 

 

 

 

 

overview

4

 

 

 

 

 

userid

4

 

 

 

 

 

 

worsening

14

 

 

 

 

 

RELEASE commands

66

 

 

 

Reporter

41

 

 

 

 

 

 

affinity transaction group de®nitions, producing 46

affinity transaction groups, modifying

48

compressing affinity data

49

 

output

42

 

 

 

 

 

 

output report 43

 

 

 

 

output report (example)

43

 

 

overview

18

 

 

 

 

 

running

31, 41

 

 

 

 

 

understanding the affinities

48

 

using the report

47

 

 

 

 

reports

 

 

 

 

 

 

 

affinity report, Reporter

43

 

 

analyzing, useful tips

75

 

 

creating a detailed report, Scanner

27

creating a summary report, Scanner

25

data sets processed report, Builder

61

detailed, contents of

28

 

 

 

detailed report, Scanner

27

 

 

empty transaction groups report, Builder 61

error report, Builder

62

 

 

 

group merge report, Builder

61

 

requesting region

2

 

 

 

 

routing region

2

 

 

 

 

 

S

safe programming techniques

6

 

saving data

16

 

 

 

 

Scanner

 

 

 

 

 

creating a detailed report

27

 

input parameters

27

 

 

output contents

28

 

 

creating a summary report

25

 

input parameters

25

 

 

output contents

26

 

 

overview

12

 

 

 

 

running

25

 

 

 

 

sign off, detection of

14

 

 

signon affinity lifetime

5

 

 

static transaction routing

 

 

compared to dynamic routing

1

summary report (Scanner)

 

 

creating

25

 

 

 

 

output contents

26

 

 

 

output example

27

 

 

 

suspect programming techniques

6

system affinity lifetime

5

 

 

82 CICS Transaction Affinities Utility Guide

Image 98
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? Affinity relations Inter-transaction affinityTransaction-system affinity GlobalAffinity lifetimes Cics programming techniques for transaction affinitySuspect programming techniques Safe programming techniquesUnsafe 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 leBuilder component Detector performanceReporter 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 dataWhen you can resume collecting affinity data Pausing the collection of affinity dataWhen you can pause affinity data collection 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 savesTransid prex „4… Last update by useridSize of dataspace „2… Detect affinity typesDetector errors Cics Transaction Affinities Utility Guide CAUAFF1, CAUAFF2, and CAUAFF3 DD statements Running the ReporterRequesting a report from the Reporter Caucntl DD statementsTrangrps DD statement Output from the ReporterCmdgrps DD statement Affinity report System„3… Affinities reports „1… Incorrect affinity types„2… Affinity types reported TrangroupAffinity RecoverableCommand LifetimeBTS Task Producing affinity transaction group denitionsTerminal Total TransactionsUsing the affinity report Afflifesystem Descaddress CWARemove false affinities Understanding the affinitiesModifying affinity transaction groups Remove affinity relation worseningCompressing affinity data ENQUEUEs/DEQUEUEs Using the IBM Cross System ProductSPI commands 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 Reason code values Detector Cafb request queue manager diagnosticsDate formatter diagnostics This sectionIndex Bappl Vsam Cics Transaction Affinities Utility Guide Sending your comments to IBM Ibmr IBM

OS specifications

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