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Usage Notes

Data monitoring is very CPU intensive and requires a significant amount of storage over and above the storage required by the programs being monitored. Compute the storage requirements as follows:

500 bytes * number of transaction entries as defined by the STMTTRCE
option + size of mirror area for each program in the transaction for which data monitoring is active, where the mirror area is equal to the size of storage for the monitored program.

If you should encounter storage problems while using the data monitoring feature, perform one or more of the following actions: