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Set How Often a Server's Manifest is Updated

You can use system settings to control how often the system queries a server for its manifest properties.

By default, the system checks Built-in and Set Value properties more frequently than Run Command properties. It uses several system settings to determine when to perform updates:
  • The settings Active server refresh interval and Inactive server refresh interval set the number of seconds between updates of Built-in and Set Value properties. The settings discriminate between active (currently running a project) and inactive (not currently running a project) servers, so that you can have properties refresh more frequently on servers when they are being used.
  • The setting Default _AGE sets the number of seconds between updates of Run Command properties. These properties, which require that the system run a command on the server to get updated data, create more network traffic during their updates. The default value for this setting is 86400, which provides for updates once per day. IBM does not recommend setting a value lower than this setting unless the values you retrieve through Run Command properties change frequently.

You can use a collector to set a value for _AGE that applies only to the servers that use that collector. When you use the special name _AGE for a variable, the system interprets its value as the desired number of seconds between updates. To set this up:

  1. Select Servers > Collectors .
  2. Select an existing collector, or create a new one.
  3. Add a property to the collector.
    1. Select the type Set Value.
    2. Enter the Property name _AGE.
    3. Enter a Value in seconds.
    4. Click the Save Variable button.
  4. If necessary, select one or more servers and change their Collector properties to match the collector you just edited.
Related reference
Special Set Value Properties