2.1.1 Management of performance data by Performance Management
In Performance Management, monitoring agents collect from and manage performance data for the monitoring targets in units of records and fields.
- Record
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A record is a group of monitored items organized by purpose. For example, the System Overview (PI) record consists of a group of monitored items, such as the CPU usage and the amount of unused physical memory, that are used to provide an overview of the system. The monitoring agents collect performance data in records. The records that can be collected depend on the agent product.
- Field
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Fields are the individual monitored items contained in a record. In the System Overview (PI) record, CPU % and Page Faults/sec are examples of fields.
- The following figure provides an overview of records and fields using the System Overview (PI) record as an example:
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![[Figure]](GRAPHICS/ZU030001.GIF)
For details about the records and fields that can be collected by each agent product, see the topic Records in the applicable agent product's documentation.