The IMSDAT IMS Daily Top 10 Workload Analysis by Region query generates a chart for each SYSID and IMS Region combination. The query uses the DAYS timespan IMS Application Unit Activity file as input, and reports on yesterday’s top ten user-defined IMS Application Unit IDs (IMSAPU). The IMSAPU data element provides a means to categorize IMS transactions as belonging to specific groups or workloads. The IMSIAU file uses IMSAPU as a summarization key. The IMSDAT query selects the top nn (default top 10) IMSAPUs for each IMS region. The top ten are selected based on the highest number of IMS transactions. The top ten IMSAPUs are graphically charted using two separate output views.
Note: The IMSAPU routine which is used in the CA MICS unit that is used to generate these charts, assigned TRANCODE to IMSAPU. The resulting charts are actually showing the top ten transactions rather than the top ten workloads.
The first view shows the overall transaction count for the top ten IMSAPUs using vertical bars, and the average IMS transaction response time for each IMSAPU with a horizontal line.
The example shows the chart that is generated for an IMS region "K168" executing on system "SYS1". Merging with data from the HARCPU file was not able to determine the Central Processing Complex (CPC) ID, hence the CPC ID is ‘UNKNOWN.’ The first chart shows that the top two workloads, by transaction count, were "Auto" with 52,793 transactions and "Home" with 48,575 transactions. The average transaction response time was 0.50 seconds for workload "Auto" and 0.1 seconds for workload "Home."
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