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Subsystem and Transaction Monitoring and Tuning with DB2 11 for z/OS by Yasuhiro Ohmori, Cathy Drummond, Adrian Burke, Felipe Bortoletto, Paolo Bruni

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Transaction monitoring
Depending on the transaction manager, you can use IMS or CICS monitoring facilities to determine throughput, in terms of transactions processed, and overall whether you need transaction response times.
At a certain point of your analysis, especially for distributed or local types of transactions, you will want to understand more about where DB2 spends its transit time and which actions can reduce it.
DB2 accounting provides plan and package level reporting. The data is collected by the DB2 accounting traces, which ...

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