Tandem Capacity Model (TCM) Manual

Working With an Existing Performance Model...........................................................................88
Modifying the Planning Unit................................................................................................89
Modifying Percentile Response Times....................................................................................90
Using the Consumption Model.................................................................................................90
About the Results...............................................................................................................91
Using the Planning Timeline Model...........................................................................................91
Throughput Trending..........................................................................................................92
Printing Charts.......................................................................................................................95
Saving the Model...................................................................................................................95
Deleting Transactions or Applications........................................................................................95
Merging Performance Models..................................................................................................95
7 Modeling Batch Workloads.......................................................................96
Assumptions...........................................................................................................................96
Transaction Types...................................................................................................................97
Batch Examples ................................................................................................................98
Differences in Modeling Batch Transactions................................................................................99
Running MeasTCM.............................................................................................................99
Creating a WA Model.......................................................................................................99
Creating a Performance Model..........................................................................................100
Calibrating Batch Response Time............................................................................................104
Uncalibrate Transaction....................................................................................................105
8 Workload Apportionment Model..............................................................106
Data Source.........................................................................................................................106
Category Demand Report......................................................................................................107
Significant Rows..............................................................................................................107
Significant Columns.........................................................................................................108
CPU Workload Apportionment Screen.....................................................................................108
Significant Rows..............................................................................................................109
Significant Columns.........................................................................................................109
Disk Read Workload Apportionment Screen.............................................................................110
Significant Rows..............................................................................................................110
Significant Columns.........................................................................................................111
Disk Write Workload Apportionment Screen............................................................................112
Significant Rows..............................................................................................................112
Significant Columns.........................................................................................................113
Workload Summary Screen...................................................................................................113
Significant Rows..............................................................................................................114
Significant Columns.........................................................................................................114
WA Model TCM Parameters Screen........................................................................................115
Significant Rows..............................................................................................................115
Significant Columns.........................................................................................................116
Workload Apportionment Weights Table.................................................................................116
Significant Row................................................................................................................117
Significant Columns.........................................................................................................117
Transaction Count Table........................................................................................................118
Significant Columns.........................................................................................................118
Maximum Transactions.....................................................................................................120
Transaction Count Table Versus Transaction Count File..........................................................120
Using Process Pairs..........................................................................................................121
Workload Detail by Category Screen......................................................................................121
Significant Row................................................................................................................122
Significant Columns.........................................................................................................122
Changing Process Category Priorities.................................................................................122
Capacity History Screens.......................................................................................................123
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