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Event Viewer landing page in Pega Predictive Diagnostic Cloud

The Event Viewer is a problem-solving tool for investigating issues in which you can access diagnostic data from all the nodes in your system. The Event Viewer provides a live feed of log data for events that occurred in every node of your system in near real time and displays all events that Pega Predictive Diagnostic Cloud (PDC) recognizes.

When specific conditions occur, or when your application encounters an exception, Pega Platform™ generates alerts and registers them in the Pega Alert log. The Pega Alert log contains raw alert data that you can view in Dev Studio. PDC creates system events based on these records.

The Event Viewer displays events only when user activities are in your system. In rare case when no activity is in your system, the Event Viewer can display few to no events.

You use the Event Viewer to inspect events coming to PDC. With extensive grouping and filtering options, you can navigate across data streams to pinpoint the cause of the underlying issue that you are investigating.

The interpretation of the data that the Event Viewer presents requires a certain level of knowledge. Therefore, use it to investigate specific issues.

Navigating the Event Viewer

PDC contains several functionalities that help you navigate the Event Viewer, such as filtering, grouping, and bookmarking. The following examples show common use-cases, depending on the intended outcome.

To see general distribution of events over time or narrow your search for a specific issue, choose a time interval for which you want to see the events, as shown in the following example. The time interval can range from 1 to 14 days.

Choosing the time interval in the Event Viewer
Choosing the time interval in the Event Viewer
Choosing the time interval in the Event Viewer

To locate a specific exception or alert, filter the list by any parameter in the table. Use the global filter at the top of the Event Viewer or quick filters on each event record. PDC displays each active filter above the events table. The following example shows how to use filters.

Filtering the Event Viewer
Using filtering functions in the Event Viewer
Filtering the Event Viewer

To compare the number of events with different criteria in mind, group the records in the Event Viewer by the following parameters:

  • Case ID
  • Event Type
  • Application
  • Operator
  • Node
  • Requestor

The result is the number of events for the chosen parameter that occured in the specified time window, which helps you to notice a potential spike in the events for a specific entry. The following example shows a higher number of PEGA0005 events.

Grouping the records in the Event Viewer
Grouping the records in the Event Viewer
Grouping the records in the Event Viewer

If you use PDC to regularly inspect the same issue, you can bookmark your search to save time. Bookmarking helps you to easily return to your preset filtering configuration and to avoid manually filtering the table each time that you need to investigate. The Recents button displays your activities in the current session. The following example shows how to bookmark a search and look at your recent activities.

Bookmarking your search in the Event Viewer
Bookmarking your search in the Event Viewer
Bookmarking your search in the Event Viewer

You can also check the session of a specific user to find an issue that they encountered. Sort by user, and then click the number of events connected with that user. Next filter by requestor and click the number of events connected to that requestor. The result is a single session of a selected user, as shown in the following example:

Inspecting a single user session in the Event Viewer
Inspecting a single user session in the Event Viewer
Inspecting a single user session in the Event Viewer
Example

You can combine these methods to investigate issues in your application. Consider the following example. Several users encounter errors while using your application. By going to the Event Viewer and filtering by Operator, you see what events their actions generated, and you can look for similarities between their sessions. For example, a single node could cause most events. By inspecting this node, you might be able to pinpoint and remediate the cause of the issues, for example, not enough memory.

Learn more about PDC through the following articles:

Onboarding for PDC

1 Fundamentals of PDC

2 Event Viewer in PDC
   2.1 System Events in PDC
   2.2 Analyzing events

3 Notifications in PDC

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