Tandem Capacity Model (TCM) Manual

Process Category (PCAT) Statements.....................................................................................53
TITLE Statements.................................................................................................................58
File Defaults......................................................................................................................59
TXN Entries.......................................................................................................................59
Running MeasTCM to Create CSV Files......................................................................................60
Running MeasTCM.............................................................................................................60
Using the Process Category Audit Report...................................................................................62
Checking Category 98.......................................................................................................62
4 Getting Started With TCM.........................................................................64
Guidelines.............................................................................................................................64
TCM Users........................................................................................................................64
TCM Online Help..............................................................................................................64
Selecting Ribbons, Tabs and Options....................................................................................64
TCM Status.......................................................................................................................64
Moving From Screen to Screen.............................................................................................64
Getting Started With Sample Data.......................................................................................64
Creating a Folder for Your Model.............................................................................................64
TCM File Names................................................................................................................65
TCM Initial Menu....................................................................................................................66
Workload Apportionment Options.......................................................................................67
Performance Model Options................................................................................................68
TCM Expert Option............................................................................................................68
Security.................................................................................................................................68
User Authorization Levels.....................................................................................................68
Passwords.........................................................................................................................69
Online Help...........................................................................................................................70
Getting Help for a Specific Field..........................................................................................70
Getting Help for Function Keys.............................................................................................70
Customizing Help Messages................................................................................................70
5 Creating a WA Model..............................................................................71
Overview..............................................................................................................................71
Apportionment Tables.............................................................................................................71
Example of an Apportionment Weights Table........................................................................71
Example of a Transaction Count Table..................................................................................72
Transaction Count Table Versus Transaction Count File............................................................73
WA Model Flowchart..............................................................................................................75
Loading Performance Data Into TCM.........................................................................................75
Downloading Performance Data Samples..............................................................................75
Loading Samples Into TCM..................................................................................................76
Modifying the Apportionment Weights Table..............................................................................76
Modifying the Transaction Count Table......................................................................................77
Saving the Tables...............................................................................................................78
Reviewing Apportionment Results..............................................................................................79
Updating the Capacity History Database...................................................................................80
Saving a WA Model..........................................................................................................81
Checking an Apportionment Method.........................................................................................82
Updating History With Several Examples..............................................................................82
Analyzing Capacity History................................................................................................83
Non-Pathway Example............................................................................................................83
Workload Apportionment Weights Table..............................................................................85
Transaction Count Table......................................................................................................85
6 Creating a Performance Model..................................................................86
Creating a New Performance Model.........................................................................................86
4 Contents