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MySQL 5.4 Reference Manual :: 15 MySQL Enterprise Monitor :: 15.7 The Advisors Page :: 15.7.5 Creating a Custom Data Collection Item
15.7.5.1 Modifying the Custom Data Item XML File »
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15.7.5. Creating a Custom Data Collection Item

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15.7.5.1. Modifying the Custom Data Item XML File

Section 15.7.4.7, “Creating a New Rule: An Example” shows how to create a custom rule and Data Collection Items shows the data items that can be used in rule creation. However, in some circumstances you may want to create a rule that uses a custom data collection item.

You can create additional custom data collection items by editing the share/mysql-proxy/items/custom.xml custom rule file added during installation. The custom.xml is installed automatically, but is not affected when running an upgrade installation. The rules file is listed last in the agent-item-files configuration parameter, which means that any rules and data collection items added to this file will supercede the standard data collection definitions.

Once you have made changes to the custom.xml, you must restart the agent to load the custom definitions.