AppDynamics Application Intelligence Platform

3.8.x Documentation

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The Tier Dashboard provides single-click access to all performance indicators for a particular tier (server), including health and key metric information for each node. You can also view the Metric Browser from the Tier Dashboard.

Accessing the Tier Dashboard

To view the Tier Dashboard for a particular tier:

1. Select the business application.

2. In the left navigation pane, click Servers -> App Servers -> <Tier>.
AppDynamics displays the Tier Dashboard for the selected tier.

How the Tier Dashboard is Organized

The Tier Dashboard shares the same common components as other Dashboards, including Time Ranges.

Action Menu

The Action menu provides commonly-performed actions for a tier.

  • Analyze -> Analyze Response Time vs Load and Analyze CPU vs Load open the Scalability Analysis window.
  • Report -> Export PDF Report instantly generates a PDF report. See Reports.
  • Configure opens the Configuration main menu screen.
    • Configure transaction detection opens the Transaction Detection tab of the Configure Instrumentation window. See Configure Business Transaction Detection.
    • Configure App Server Agent opens the App Server Agent Configuration window. See App Agent Node Properties.
    • Configure Backends resolving to this Tier lets you change the association of a remote service or backend with this tier. You can either associate the backend with another tier by clicking Resolve to a Different Tier and selecting the new tier from the dropdown menu or by clicking the Delete button to disassociate it from all tiers, in which case the backend appear as an independent component ("unresolved backend") on the application flow map.
    • Edit Properties opens the Tier Properties window. You can change the name (label) of the tier and write a description for it. If the tier is an instrumented app server, the Type is automatically set.
    • Delete Tier deletes the tier from the flow map.

Tier Dashboard Tabs

The Tier Dashboard has these tabs:

Dashboard Tab

The Dashboard Tab displays:

  • Tier Flow Map: The Tier Dashboard contains a Flow Map of the selected tier. See Flow Maps.
  • Events: Lists events that are by default configured to display in the dashboard: Health Rule Violation Started, Code Problems, Application Changes and Custom events. See Events
  • Node Health: shows the combined health for all nodes in the tier. The health of each node is based on any health rule violations triggered during the selected time range. The color bar indicates:
    • Green - no health rule violations
    • Yellow - at least one health rule violation
    • Red - at least one critical health rule violation
  • Transaction Scorecard: number and percentage of transactions that are normal, slow, very slow, stalled or errors. See Scorecards.
  • Exceptions: list the total number and number-per-minute of:
    • Exceptions
    • HTTP Error Codes
    • Error Page Redirects
      Click the Exceptions link to see the list of exceptions. See To Troubleshoot Exceptions for more information.
  • Key Performance Indicators: See KPI Graphs.

Compare Menu

The Compare menu is visible when the Dashboard tab is selected.

By default the performance displayed in the dashboard is compared against the daily trend, which is the performance over the last 30 days. From the Compare menu you can direct AppDynamics to use a different baseline or no baseline. You can also configure baselines. For more information about baselines see Behavior Learning and Anomaly Detection and Configure Baselines.

Nodes Tab

The Nodes Tab has these subtabs:

On any subtab, select a node and click View Dashboard or double-click on a node in the list to open its Node Dashboard.

Health Subtab

The Nodes Health subtab lists nodes that are part of the tier and summary information about each.

  • Name: the name of the node.
  • Health: health rule violation status.
  • App Agent Status: whether the agent is up (running and connected to the Controller) and the percentage of time it has been up over the selected time period. An uptime of 53% over the last hour, for example, means that the agent has been successfully reporting to the controller for 32 minutes of the previous hour.
  • App Agent Version: version of the agent.
  • JVM: version of the JVM or CLR.
  • Last JVM Restart: date and time of the last JVM/CLR restart.
  • Machine Agent Status: if there is a machine agent on the node server, whether it up (running and connected to the Controller) or not.

Hardware Subtab

The Nodes Hardware subtab lists information about the physical server that is hosting the node. If the Machine Agent is not installed on the physical device, no data will be available.

Memory Subtab

The Memory subtab lists information about the JVM or CLR of the node.

Events Tab

The Tier Dashboard Events tab lists the events for the tier and summary information about each.

  • Type: type of event. See Events.
  • Summary: description of the event.
  • Time: date and time when the event occurred.
  • Business Transaction: link to the Business Transaction Dashboard for the event.
  • Tier: link to the tier on which the event occurred.
  • Node: link to the Node Dashboard for the node on which the event occurred.

This is an embedded copy of the event list in which only events for the selected tier are reported. You can modify the event types reported in the list. For more information about the event list see Filter and Analyze Events.

Slow Response Times Tab

The Slow Response Times tab has two subtabs:

Slow Transactions Subtab

This subtab is also accessible from the Troubleshoot menu.
See Troubleshoot Slow Response Times.

Slow DB & Remote Service Calls Subtab

This subtab is also accessible from the Troubleshoot menu.
See Troubleshoot Slow Response Times.

Errors Tab

The Errors tab has two subtabs:

  • Error Transactions
  • Exceptions

These subtabs are also accessible from the Troubleshoot menu.
See Troubleshoot Errors.

Transaction Snapshots Tab

The Transaction Snapshots tab has these subtabs:

The Slow and Error Transactions or Diagnostic Sessions subtabs are the quickest route to drill down to the root cause of slow, stalled or error transactions.

All Snapshots Subtab

This subtab displays all the transaction snapshots captured for the selected time range. Error transaction snapshots are coded red, slow transaction snapshots are coded yellow, and stalled transaction snapshots are coded purple.

You can select a snapshot from the list and double-click it or click View Snapshot to drill down to the root cause of the problem. See Transaction Snapshots for more information.

Slow and Error Transactions Subtab

This subtab displays only snapshots for slow and error transactions.

Diagnostic Sessions Subtab

This subtab displays diagnostic sessions that have already been started. It also lets you start a diagnostic sessions by clicking Start Diagnostic Session.

A diagnostic session captures detailed data about the processing of a transaction as transaction snapshots over a defined period of time. The snapshots include full call graphs. See Diagnostic Sessions.

Periodic Collection Subtab

This subtab displays transaction snapshots that have been configured to be collected periodically, whether or not the transactions are slow or error. See Configure Transaction Snapshots for information about enabling and disabling periodic snapshot collection.

Transaction Analysis Tab

The Transaction Analysis tab shows the Transaction Analysis Tab graph for the selected tier.

IIS AppPools Tab (.NET Only)

This tab displays the nodes in the IIS App Pool. See Monitoring IIS Application Pools.

Learn More