Tag: db2

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Managing DB2 for z/OS Application Performance

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Managing DB2 for z/OS Application Performance By Craig S. Mullins Applications that access databases are only as good as the performance they achieve. And every user wants their software to run as fast as possible. As such, performance tuning and management is one of the biggest demands on the DBA’s time. When asked what is the single most important or...

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Don’t Forget DISPLAY as a Part of Your DB2 Tuning Efforts (part 3)

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Don’t Forget DISPLAY as a Part of Your DB2 Tuning Efforts (part 3) Utility Execution Information If you are charged with running (IBM) DB2 utilities, another useful command is DISPLAY UTILITY. Issuing a DISPLAY UTILITY command will cause DB2 to display the status of all active, stopped, or terminating utilities. So, if you are in over the weekend running REORGs,...

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Don’t Forget DISPLAY as a Part of Your DB2 Tuning Efforts (part 2)

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Don’t Forget DISPLAY as a Part of Your DB2 Tuning Efforts (part 2) Of course, there are many additional options that can be used in conjunction with the DISPLAY DATABASE command. The following options can be used to narrow down the amount of information displayed: USE displays what processes are using resources for the page sets in the database CLAIMERS...

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