Each detail line shows the following information.
Under Heading | This is Displayed |
---|---|
DDNAME | The DDNAME of the file. If multiple OPENs occurred for the DDNAME, a separate line is reported for each "instance." A sequence number is appended to the DDNAME indicating the instance. |
Type | The type of file (VSAM, Non-VSAM, Tape, etc.) |
Concat | The concatenation number. A value (+0, +1, +2 ...) appears here to indicate the data set position in a concatenation. |
At Start | The EXCP count for the data set when first observed. For VSAM data sets, the system maintains this count for the life of the file. For non-VSAM, this only reflects EXCPs during the step. |
At End | The EXCP count for the data set when last observed. For VSAM data sets, the system maintains this count for the life of the file. For non-VSAM, this only reflects EXCPs during the step. |
During Measurement | The number of EXCPs for the measurement duration.
This is computed as the difference between the "At Start"
count and the "At End" count.
Note:
The system
maintains EXCP counts at the data set level. If a data set had more
than one file open concurrently under different DDNAMEs, then overlapping
EXCP counts will be reported. |
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