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Updated on 11/14/2019
Online Help
Line Graph
Direct link to topic in this publication:

Use the Line Graph widget to visually represent a time series-based trend of metrics. Metrics can be for a single instance or spread across multiple instances. Like most widgets, you can scope the results to specific instances and metrics using a variety of filtering options.

Select the time range for the trendline and optional lines for comparison to the same time yesterday, last week, or last month. Also, you have options for controlling the X-axis legend formatting and other graph features, like crosshairs and graph points.

On this page


Use case

The  Line Graph widget is useful when:

  • Identifying performance trends
  • Comparing period over period performance

Examples

HTTP response time comparison

In this example, the line graph displays the aggregated HTTP response time values of all Linux servers. The dotted line represents the historical value of the selected metric. 

Configuration

When creating or editing a widget, a drawer that shows the widget's configuration options slides out from the right. Each configurable option is described in the following table.

Field Description                                                                                                                     
Widget name 

Name of the widget as it appears on the dashboard.

This field shows the default name of the widget. Select the pen icon to rename the widget. 

Metrics Add the metrics that you want to be visualized in the line graph.
Filter metrics 
You can also use the filters to fine-tune your search results.

Values:
  • No filter
  • By tags
  • By option string
Filter Instance by                                              

Filter instances by the following: 

Values:

  • No filter
  • Tags
  • Group
  • Name 
Time Range

The time range for the trendline.

Values:

  • Last Hour (Default)
  • Last 15 minutes
  • Last 6 hours
  • Last week
  • Last month
  • Last year
Formatting

Select which detail you want to hide from the chart.

Values:

  • Hide Server Name
  • Hide Server FQDN
  • Hide Metric Type
  • Hide Option Name
Graph Options
Additional options for the line graph.

Values:

  • Label points
  • Show Crosshairs
  • Aggregate Metrics
  • Comparison
Metric Calculation

Select if you want to display the metric data aggregated over the selected time range. Aggregated data can be calculated based on the following values:

Values:

  • Average (default)
  • Min
  • Max
  • Sum
Information Note: The Metric Calculation option only appears if the Aggregate metric checkbox is selected.
Comparison

Compare the trendline to its historical values. Historical values are represented by a dotted line.

Values:

  • None
  • Same time yesterday
  • Same time last week
  • Four weeks prior