The Application Performance Analyzer started task creates various data sets as part of its normal operation. The table shown below lists these data sets and indicates the names assigned by Application Performance Analyzer.
Data set name | Description |
---|---|
yourhlq.CheckpointDSN | Application Performance Analyzer checkpoint data set |
yourhlq.LOGxx.Dyyddd.Thhmm### | Optional log data set |
yourhlq.CDS | Common data store for source program mapping |
yourhlq.userid.Rnnnn.jobname.SF | Measurement data set or sample data set (when SampleDSN is not specified in CONFIG SAMPLE) |
yourhlq.userid.Rnnnn.userid.SF | Measurement data set or sample data set name of files imported with the IMPORT command (when SampleDSN is not specified in CONFIG SAMPLE) |
yourhlq.userid.Rnnnn.importjobname.SF | Measurement data set or sample data set name of files imported with the batch program CAZIMPRT (when SampleDSN is not specified in CONFIG SAMPLE) |
tsoprefix.userid.Rnnnn.XMIT. | Exported measurement data set or sample data set |
With the exception of the checkpoint file, the rightmost qualifiers are determined by Application Performance Analyzer. You choose a prefix that replaces the yourhlq symbol shown above; however, it must comply with the JCL rule for specifying a data set name. In this case your prefix can have a maximum of 17 characters.
The log data set will have the "xx" identifier suffix on the second qualifier in sysplex environments to make sure the file is unique. The "###" at the end of the log data set is a sequence number assigned when each new log file is created.
By default, the sample data set and log data set will use the value in the HLQ parameter of the CONFIG BASIC statement. Optionally, a different sample yourhlq and log yourhlq can be specified on the CONFIG SAMPLE and CONFIG LOGFILE statements, and the checkpoint data set can be a fully qualified name. You also have the option of overriding the Application Performance Analyzer generated sample data set name by specifying the SampleDSN setting in CONFIG SAMPLE.
When the EXP command is issued against an observation request, a new data set is created. The data set in XMIT format contains the measurement data that Application Performance Analyzer uses to produce the performance analysis reports, and is used as input to the Application Performance Analyzer IMPORT command and batch utility. It is created under the tsoprefix of the individual issuing the EXP command. If tsoprefix is not used, this qualifier is excluded. The data set is named in the format: tsoprefix.userid.Rnnnn.XMIT.
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