General graph information
When looking at graphs, keep the following in mind:
- The production of graphs is CPU-intensive. If you are monitoring CPU usage, an alert might fire when the graph is generated. To avoid firing such an alert, increase the number of failed OpenEdge Management
- Depending on the browser in which you are viewing a graph, the graph type and its property settings, and the number of data points displayed, you can display pop-up content details from within the graph. Review the pop-up content to inspect resource activity in greater detail.
- Only resources that have defined monitors produce information that is graphed.
- A yellow border around a viewlet graph on the My Dashboard page indicates that the database is inactive or does not have a monitoring plan. A red border around the viewlet graph indicates that the container or database is offline. For more information about viewlets and the My Dashboard page, see the Resource Monitoring Guide.
- If data averaging is turned on for viewlet graphs on the My Dashboard page, [average] appears next to the unit in the graph's legend, as shown:
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- Any discontinuity in the caching of a database resource's data will be reflected in the graphs. Caching discontinuity occurs when a resource goes off line or a resource monitor is disabled. Discontinuities are obvious in line graphs, as they appear as a break in the line. Note that caching discontinuities are harder to distinguish on area or column graphs, since gaps in area or column graphs can indicate either a zero value or caching discontinuity.
- All graph data is stored in OpenEdgeManagement-work-dir
\cachedata\fathomdatacache.odb.
If OpenEdge Management is not running, you can delete the database. Doing so, however, will cause you to lose all of your cached graph data.- By default, 48 hours of graph data is stored for each database resource. You can choose a different collection setting on the Graph Cache Database Configure page. You access the Graph Cache Database Configuration page from the Configuration section of the Options list frame. See the Installation and Configuration Guide for more details about setting the graph cache.
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