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    Use the Synthetic tier in the Application View to monitor the synthetic transactions of an application that are run by BMC Transaction Execution Adapter Agents (TEA Agents). The view helps you identify issues in the application and locate servers where you can begin investigating problems. You can examine and trend server metrics and correlate server issues with application-transaction issues. The Application View helps you diagnose and resolve performance and availability problems with your  synthetic transactions to predict application health and user experience.

    This topic contains the following sections:

    Before you begin

    • Install and configure App Visibility components.
    • To perform this procedure, you must have Application Operator-level access, or higher.
    • Set up and configure Execution Plans for the applications you want to monitor. See Setting up and managing synthetic transaction monitoring for more details.

    To examine application issues

    From the Applications page, you evaluate the impact and severity of events for your applications. Select one application to closely examine problems in the Application View.

    1. From the navigation pane in the TrueSight console, select Monitoring > Applications.
    2. Select one application that you want to examine in detail.

    The Application View tab opens on the Application Monitoring page.

    In the Application View, you can monitor the health and performance of an application that is monitored by TEA agents. If synthetic monitoring is activated for the application,the Synthetic tier icon (on the lower left side of the Application View) shows a summary of the synthetic executions within the selected time period.

    Example of the Application View



    To identify the time and severity of application issues

    1. In the Application View, select the time and date that you want investigate:
      • By default, the first time you open the Application View, the Live Traffic button is selected and application traffic is updated every five minutes. Click the button, or move the time slider, to stop viewing continual updates and to focus on a specific problem area.
      • The timeline represents a 24-hour period. Move the time slider to select a specific 5-minute interval, or click the next or previous arrows to move 5 minutes on the timeline.
      • From the Date action menu, select a specific date to display in the Application View. 

        Note

        You can select any date, but data is displayed only if it falls within the retention period that you set when you installed App Visibility. Default is 30 days.

        To change the retention period, see Changing App Visibility collector settings.

    2. Select a problem period on the timeline:
      • Move the time slider over a red or orange region of the timeline. 
        The color of one or more tiers is the same as the region on the timeline. The timeline color reflects the color of the tier with the most severe issue for the selected five-minute period.
      • Click the next or previous arrows to move the problem picker on the timeline. The color of the arrows indicate the status of the next or previous problem.
    3. Click the Synthetic Tier, examine the Executions and problems, and then drill down to further diagnostic data.

    To drill down to detailed data for the Synthetic tier

    1. Click the Synthetic Tier icon to see a grouping of the Execution Plans by status below. 
    2. Select one or more status groupings to see a list of the individual Execution Plans.
        
    3.  Select one or more Execution Plans to view data for those Execution Plans.
    4. To drill down further, see Drilling down to synthetic member (Execution Plan) data, Monitoring synthetic transactions by location, and Monitoring synthetic transactions by execution .

    Drilling down to synthetic member (Execution Plan) data

    Use the following instructions to drill down to detailed data for each Execution Plan.

    Note

    If an Execution Plan is deleted or deactivated, all problems related to the Execution Plan are automatically closed. 

    The color of the Execution Plan corresponds to the highest severity level breached by the executions of the Execution Plan. In other words, the color matches worst problem that the Execution Plan had during the time frame.

    1. Select the Summary tab to see the following data:

       

      Column
      Description
      SeverityIcon indicating the severity level of the Execution Plan
      Execution Plan NameName of the Execution Plan
      ExecutionsNumber of Execution Plan executions that completed (or partially completed) in the time frame. Partially completed means that the Execution Plan includes multiple transactions but only some of the transactions completed in the defined time frame. 
      Impacted ExecutionsPercentage of executions that had one or more errors. Errors can be any of the following:
      • Latency violations
      • Availability errors
      • Accuracy errors
      • Execution errors
      Latency ViolationsPercentage of executions that exceeded the latency threshold, regardless of the defined SLA threshold
      Availability ErrorsPercentage of executions that encountered availability errors, regardless of the defined SLA threshold

       

       

    2. Select the Problems tab to see the following data:

       

      Column
      Description
      SeverityIcon indicating the severity level of the Execution Plan
      ProblemType of problem encountered, which can be any of the following:
      • Performance problems
      • Availability problems
      • Accuracy problems
      • Execution problems
      Execution Plan NameName of the Execution Plan
      Problem Started

      Time and date when the problem which caused the event severity started

      If the problem started earlier than the displayed time, click the start time to reset the time selection. The time slider moves to the five-minute period that includes the problem start time.

      ThresholdConfigured threshold value
      Current Status

      Possible statuses of the problem are as follows:

      Open—The problem is currently still occurring.

      Closed—The problem was resolved at the displayed time.

       

       

    3. On the Summary tab, click the action menu next to the Execution Plan that you want to investigate and select Show Locations.

    The Locations view replaces the Application view data.

    Where to go from here

    For more details about drilling down to synthetic member data, see Monitoring synthetic transactions by location and Monitoring synthetic transactions by execution .

    Related topics

    Investigating problems with Web and Business tiers

    Analyzing database problems with the Database tier

    Setting up and managing synthetic transaction monitoring