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The PMDB helps you identify resource consumption patterns and predict future resource consumption and response times. The following methods perform the identification and predictions:• Track
- Track historical resource consumption trends so you can understand and predict long-term performance behavior.
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- Perform period-to-period comparisons so you can analyze performance improvements or performance degradation over time.
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- Track load patterns, entity changes, entity statistics, and component parameter changes so you can understand their effects on performance.
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- Track data growth and data distribution changes so you can optimize data storage management.
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- Proactively detect performance bottlenecks before they turn into problems and issue alerts because performance degrades from established baselines.
By using the PMDB to store this information, you can better manage your applications, make knowledgeable decisions about application changes and hardware upgrades, and improve plans for the future.
The PMDB uses the following methods to store and manage the PMDB data:• Schedule
- Schedule and run batch processes that load historical data from each instance in each AppTier.
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- Manage the summary procedure.
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- Provide a common interface for requests coming from the Precise user interfaces.
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- Manage and maintain the PMDB by filtering unnecessary data, saving baseline data, summarizing data, and purging old data.
You can control all PMDB settings from AdminPoint, in the following way:• Edit
- Edit your Warehouse password from the Warehouse tab.
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- See
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- Run, schedule, and change the parameter default values of the PMDB processes from the Processes view, under the Warehouse menu.
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- See “Viewing the PMDB processes” on page 79.
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- Examine the status of instances and the PMDB processes and check in which PMDB tables instance data is stored from the Status view, under the Warehouse menu. See “About viewing the status of the PMDB” on page 78.
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- Manage hour groups from the Hour Group Settings dialog box.
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- See “Configuring hour groups” on page 60
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- , “About the Dashboard tab” on page 24
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- , and “About the Applications view” on page 41.
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NOTE If your PMDB is SQL-based, see the instructions on how to change the database password manually in the Changing the PMDB SQL Server Collector Password technical note that can be found on the Precise Customer Portal.
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