IMS resource utilization files (IRUFs)
The MainView for IMS Offline product components get their input from a component called the IMS resource utilization file (IRUF). IRUFs are sequential data sets in variable blocked spanned (VBS) format. They can be detailed, summarized, or extracted files. The Performance Reporter and the Transaction Accountant generate their performance and accounting reports using IRUFs as input.
IRUFs and the MainView for IMS product transaction accounting system are based on the MainView for IMS customer ID field. This field associates all resource usage measurements and costs with a specific user. The default value for the customer ID field is the LTERM name. Both the IRUF transaction accounting record (TAR) and the IRUF terminal (LTERM) accounting record (LAR) maintain a record of the customer ID.
MainView for IMS uses customer ID information for summarization and for charge-out billing. The Transaction Accountant program uses the customer ID information to associate resource usage charges with specific customers. All charges are calculated at the transaction level and are accumulated for each customer category.
You can gain access to each record processed from the IMS log and to all the IRUF data records through exit routines in the Log Edit process (see Log-Edit).
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