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Capacity provider system log event reference - AWS Lambda
System log event level mapping

Capacity provider system log event reference

Lambda publishes system log events for capacity provider instance lifecycle operations. The following table shows the events that Lambda publishes and whether each event is logged based on your configured system log level.

For more information about configuring the system log level, see Log-level filtering for capacity provider system logs. For details on the log entry format, see Capacity provider system log format.

System log event level mapping

Event Description DEBUG INFO WARN
Launching Emitted when Lambda initiates an instance launch for the capacity provider. Logged Logged Not logged
Launched Emitted when an instance successfully transitions to an active state and is ready to serve invocations. Logged Logged Not logged
LaunchFailed Emitted when an instance launch attempt fails. Logged Logged Logged
Terminating Emitted when Lambda marks an instance for termination. Logged Logged Not logged
Terminated Emitted when an instance is successfully terminated. Logged Logged Not logged
TerminateFailed Emitted when Lambda fails to terminate an instance. Logged Logged Logged
HealthCheckFailed Emitted when an instance fails its health check and is marked as unhealthy. Logged Logged Logged
Note

This list expands as Lambda adds new capacity provider capabilities.