Monitor and troubleshoot
Documents under this category describe tools that can help you monitor, diagnose, and troubleshoot SR Linux software. This section also includes Log Event documentation to help you interpret log messages generated by SR Linux software.
- Event Handler Guide
  This document describes the functionality and configuration for the event handler framework on the Nokia Service Router Linux (SR Linux).
- Log Events Guide
  This document provides guidance for operators to interpret log events for the Nokia Service Router Linux (SR Linux).
- Troubleshooting Toolkit
  This document describes how to use and configure diagnostic tools for the Nokia Service Router Linux (SR Linux).

app

applicationFailed

Table 1. applicationFailed properties
Property name	Value
Application name	app
Event name	applicationFailed
Default severity	alert
Message format string	Application application_name has failed, failure_count of failure_threshold failures in the last failure_window seconds
Cause	The specified application has failed.
Effect	The specified application has failed, and all functionality it provides is inoperable. If this failure reaches the applications failure threshold then the applications failure action will be triggered, otherwise the application will be restarted.

applicationFailureActionTriggered

Table 2. applicationFailureActionTriggered properties
Property name	Value
Application name	app
Event name	applicationFailureActionTriggered
Default severity	alert
Message format string	Application application_name has failed failure_threshold times in the last failure_window seconds, triggering action failure_action
Cause	The specified application has failed enough times to trigger the applications failure action.
Effect	The applications failure action is triggered, as defined in the application-specific configuration.

applicationRestarted

Table 3. applicationRestarted properties
Property name	Value
Application name	app
Event name	applicationRestarted
Default severity	warning
Message format string	Restarted application application_name, restart type restart_type
Cause	Application manager has restarted the specified application.
Effect	The specified application has been restarted.

applicationStarted

Table 4. applicationStarted properties
Property name	Value
Application name	app
Event name	applicationStarted
Default severity	notice
Message format string	Successfully started application application_name
Cause	Application manager has started the specified application.
Effect	The specified application is started.

applicationStarting

Table 5. applicationStarting properties
Property name	Value
Application name	app
Event name	applicationStarting
Default severity	notice
Message format string	Starting application application_name
Cause	Application manager is starting the specified application.
Effect	The specified application is starting.

November 9, 2023