Configuring the Sunburst template

The Sunburst template is a visualization template that displays data in a hierarchical structure, as a set of concentric circles. The innermost circle represents the root entity, with the hierarchy moving outward from the center node. The child levels are layered around within the angular sweep of the parent node. 

For example, if you select the Virtual Cluster - VMware as the root entity, then you can select child entities as Virtual Host - VMware, and Virtual Machine - VMware.

This topic describes how to edit a custom view, or a view page, that is created using the Sunburst template.

To configure a view using the Sunburst template

  1. Open the view page with the Sunburst template:

  2. Click  to configure the sunburst chart. In the edit screen at the bottom, the Custom edit mode is displayed. The Custom mode lets you customize the hierarchy of the data to display, that is, you can select a parent entity and its child entities. You can also choose to show a flat hierarchy, where no child entities are displayed. To use the Custom mode, perform the following tasks:

      1. From the first System type list, select the top-level entity to display.

        This is the parent entity that will contain the rest of the child entities within it. For example for selecting multiple child entities as Virtual Host - VMware, and Virtual Machine - VMware, you can select Virtual Cluster - VMware as the first System type.

      2. Click + Add system type to add a child entity. 

        You can add maximum four levels of hierarchy. If you try to add the hierarchy beyond four levels, a message is displayed indicating that you cannot add it.

      3. Related information: Add a drill-down link to a related page. You can link to another page in a different view.

        1. To add a link, click + Add link.

          To edit an existing link, click Change.

        2. In the Link label box, type a name for the link.

        3. From the Target page list, select the page you want to link to. The corresponding system is displayed in the target page.

        4. Click Done to go back to the previous edit screen.
      4. From the corresponding Size list, click + Add metric to select the metric for the capacity size for the selected system.

        The size metric you select, determines the size of the circle or angular sweep that represents that entity. 

        1. In the Metrics panel, depending on the system type you select, the Metrics panel lists the configuration metrics for that system type, to choose from.

          The metrics are grouped by category, for example, CPUDiskFormulasMemoryBYFileSystem and so on. Click  to expand the category and select the metrics.

          You can also search for a metric using the box located at  the top of the Metrics panel.

          The selected metric is listed in the Selected metrics panel.

        2. Click Done to go back to the previous edit screen. 

      5. From the corresponding Utilization list, select the metric to represent the selected child entity.

        The utilization metric you select, determines the color of the circle or angular sweep that represents that entity. For example, if you select CPU UTIL, the angular sweep representing that entity will be displayed in the color based on how much of the entity is utilized, or free.

        1. In the Metrics panel, depending on the system type you select, the Metrics panel lists the configuration and performance metrics for that system type, to choose from.

          The metrics are grouped by category, for example, CPUDiskFormulasMemoryBYFileSystem and so on. Click  to expand the category and select the metrics.

          You can also search for a metric using the  box located at  the top of the Metrics panel. It is recommended that you select two distinct metrics for Size and Utilization

          The selected metric is listed in the Selected metrics panel.

        2. Click Done to go back to the previous edit screen.

      6. To display more child entities, click + Add system type.

        The entities that are listed in consecutive lists are based on the parent entity you select in the previous step. For example if you select Virtual Cluster VMware as the parent entity, the following System type list will contain only the children of Virtual Cluster -VMware.  

        The Size and Utilization metrics that you select for the child entity level are summarized at the parent entity level.

      7. Click Done to go back to the previous screen.

  3. (Optional) To configure the chart, click  in the chart. 
     denotes that the display of the chart is enabled.  denotes that the display of the chart is disabled. If you disable the display of the chart, it is not displayed in the view.

    Configure the following properties for charts:

    1. Template: Select a template from the list, based on which to render the chart. The following templates are available.

      • Area Chart
      • Bar Chart
      • Line Chart
      • Pie Chart
      • Stacked Area Chart
      • Stacked Bar Chart
      • Top 10 Workloads by <metricName>
      • <custom analysis templates that you have created in the TrueSight Capacity Optimization console>

        Only custom templates created using the Performance vs Time analysis type are displayed in this list. For information about the types of charts, see Analysis chart types supported in the TrueSight console.

      The following functions from the analysis chart types are not supported in the charts in TrueSight console:

      • Trendlines
      • Right axis on line charts
      • Calendar charts
      • Other minor customization options (Format of ticks, Format of dates, Label rotation, Format of chart grid, Logarithmic axes, Palette, Dashed lines)

    2. Title: Type a title for the chart. You can choose to change the chart labels by clicking the Change chart labels link.
      1. Subtitle: Type a subtitle for the chart.
      2. X axis title: Type a title for x-axis.
      3. Y axis title: Type a title for y-axis.
      4. Legend for series: Type a legend.
    3. Metrics: Click Add to add the metrics to display in the chart. To add a metric, click + Add. To edit existing links, click Change.
      You can add a single metric. 
      1. In the System type panel, select the system type from which to select the metrics. Select from the following options: All System typesSpecified type or Workload.

        The Workload system type option is available only if you select Top 10 Workloads by <metricName> as the template in the first step.

      2. If you select Workload or Specified type, select a system, or systems, from the list.  

      3. In the Metrics panel, depending on the system type you select, the Metrics panel lists the available metrics for that system type, to choose from. 

        The metrics are grouped by category, for example, CPUDiskFormulasMemoryBYFileSystem
        Click the category to expand it and select the metrics. You can also search for a metric. 

        The selected metrics are listed in the Selected metrics panel.

      4. Click Done to go back to the previous edit screen.

    4. Related information: You can add drill-down links for the chart. To delete available links, click X at the top-right of that link. To add or edit links, click Change. In the edit area at the bottom, do the following: 
      • To add a link, click + Add link.
      • In the Link Label box, type a name for the link.
      • From the Target page list, select the page you want to link to.
      • Click Apply. The links you add appear under Related information and you can continue to configure the tabs.
    5. Click Done to go back to the previous edit screen.

  4. Click Apply. The changes are updated dynamically in the view, and you continue to be in the edit mode.

    Clicking Apply displays a dynamic preview of your configuration, without saving the changes. This dynamic update helps you to review your changes, and if required, quickly make further changes as you continue to be in the edit mode.

  5. If you are satisfied with the changes, and do not want to edit the page further, click Save.

    The custom view page is created with the defined configuration.

To read the Sunburst chart

After you create a custom view page with the Sunburst template, the innermost circle in the Sunburst represents the root entity, with the hierarchy moving outward from the center node as shown in the following image:


The size of the nodes denotes the capacity size on that entity.

The color of the nodes denotes the usage percentage of that entity, with white indicating no usage and red indicating high usage.

To view details of the node

When you hover over a particular node, the following details are displayed: 

  • The hierarchy for that node is listed at the the top-left of the Sunburst.
  • Details tooltip opens. It lists the NameTypeUtilization (%) and Size of the node. When you click on the tooltip, this tooltip is replaced by a popup window with the additional information displayed as Related link.
  • The chart at the right of the Sunburst displays the data according to the configured metrics.

Similarly, you can view the details of each child entity within a parent entity.

To view a particular entity and navigate back to the parent entity

You can focus only on a particular entity at a time and not display the others. To do this, double-click that entity. The entity is displayed as the root entity.

If the entity does not have any child entities, only the selected entity is displayed.

If the entity has child entities, the selected entity and the child entities are displayed.

To navigate back to the parent entity, double-click the center. 

To change the Sunburst layout

By default, the Sunburst chart displays the entities by their size and utilization. To view the entities only by capacity size, you must change the layout. 

In the Sunburst view, click  next to Layout by Size/Utilization and click Layout by Size. The Sunburst chart displays the entities by capacity size, with each parent node displayed in the different color and respective child nodes in different shades of that color. The innermost node is displayed in the white color.

To use time filters in the Sunburst view

You can view data for predefined time periods. By default, data for the Last 30 days is shown. To view data for a different time period, use the available time filters.

In the Sunburst view, click the action menu  next to the time filter and select a time period as shown in the following image:

You can select from the following options:

  • Yesterday
  • Last 7 days
  • Last 30 days

Data for the selected time period is displayed.

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