Hot Reload Telemetry Events

This document summarizes all Hot Reload telemetry events emitted by the server (ServerHotReloadProcessor.Notify).

Event name prefix: uno/dev-server/hot-reload

Event Name	Main Properties (with hotreload/ prefix)	Measurements (with hotreload/ prefix)
notify-start [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-disabled [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-initializing [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-ready [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-processing-files [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-completed [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-no-changes [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-failed [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-rude-edit [src]	Event, Source, PreviousState	FileCount, DurationMs (optional)
notify-complete [src]	Event, Source, PreviousState, NewState, HasCurrentOperation	FileCount, DurationMs (optional)
notify-error [src]	Event, Source, PreviousState, NewState, HasCurrentOperation, ErrorMessage, ErrorType	FileCount, DurationMs (optional)

Property Value Examples

String Properties

• Event: "ProcessingFiles", "Completed", ...
• Source: "IDE", "DevServer", ...
• PreviousState: "Ready", "Disabled", "Initializing", "Processing"
• NewState: "Ready", "Disabled", "Initializing", "Processing"
• HasCurrentOperation
• ErrorMessage: "Compilation failed", "Syntax error"
• ErrorType: "CompilationException", "SyntaxException"

Property Details

• Event: The type of event that triggered the notification
• Source: The source of the event
• PreviousState: The state before the operation
• NewState: The state after the operation (only present in notify-complete and notify-error)
• HasCurrentOperation: Indicates if a Hot Reload operation is in progress (only present in notify-complete and notify-error)
• FileCount: Number of files affected by the operation (only present if there is a current operation)
• DurationMs: Duration of the operation in milliseconds (only present if the operation has completed)
• ErrorMessage/ErrorType: Only present on notify-error events

All events are tracked server-side in Notify().