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User Guide

21.4.0
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Line Graph

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.

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.

Additional Metric Filters

You can also use the filters to fine-tune your search results.

Values:

  • By tags

  • By option string

Instances                                       

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

  • Show Units

  • Hide Server FQDN

  • Hide Metric Type

  • Hide Option Name

  • Float Legend Right

Graph Options

Additional options for the line graph.

Values:

  • Show Data Point Labels

  • Show Crosshairs

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

Note: The Metric Calculation option only appears if the Aggregate metric checkbox is selected.

Time 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

Dashboard Scoping Adherence

Enabling this option will allow you to bypass Dashboard-level scoping.

Line Graph

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.

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.

Additional Metric Filters

You can also use the filters to fine-tune your search results.

Values:

  • By tags

  • By option string

Instances                                       

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

  • Show Units

  • Hide Server FQDN

  • Hide Metric Type

  • Hide Option Name

  • Float Legend Right

Graph Options

Additional options for the line graph.

Values:

  • Show Data Point Labels

  • Show Crosshairs

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

Note: The Metric Calculation option only appears if the Aggregate metric checkbox is selected.

Time 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

Dashboard Scoping Adherence

Enabling this option will allow you to bypass Dashboard-level scoping.