Group, aggregate, and visualize your collected metrics with the Graph widget to obtain additional insights.
Sometimes simple graphs may not be sufficient - we may need to visualize data trends, display all metrics matching a pattern, or define custom draw styles for specific metrics.
The Graph widget allows you to visualize your metrics in an advanced fashion:
- Customize your graph draw styles
- Select between displaying History or Trend values
- Calculate and display aggregated metric values on the fly
- Define custom aggregation intervals
- Define flexible problem display logic
- Visually group metrics by defining item and host data sets
Check out the video to learn how to visualize your metrics by using the Graph widget.
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vb3CjHz9Nk-NfLzWPtJfqO5xVp1jkLipi751FLZSub9ZFLikAnFL4AJGRDdj27hbKDduOxdMYTMvKFauDG841B3JjVeMnfZMIoMcbFFQ=s0-d)
How to visualize data with the Graph widget:
- Navigate to Monitoring → Dashboards - All Dashboards
- Click Create Dashboard to create a new Dashboard
- Left-click on an empty space and select Add Widget
- Select Widget type - Graph
- Type in the data set host and item patterns
- Use wildcard symbol '*' to match multiple hosts/items
- Click Add new data set to add a second data set
- Fill in the host pattern and item pattern to match a different set of metrics
- For both data sets, select an Aggregation function, Aggregation interval, and Aggregate - Data set
- Observe how metrics get aggregated in the graph on the fly
Tips and best practices:
- Wildcards can be used in host and item pattern matching
- The Overrides section can be used to further customize a particular set of items
- Items within a single data set will use the same base color
- Up to 50 items may be displayed in the graph
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