Death Watch
Monitor actors and react when they terminate.
Overview
Death watch allows actors to be notified when other actors terminate. When a watched actor stops (normally or due to failure), watchers receive a Terminated message.
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Watching Actors
Use ctx.watch() to monitor another actor:
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Watching Multiple Actors
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Common Use Cases
Connection Management
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Dependency Tracking
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Child vs Watched Actors
| Aspect | Child Actors | Watched Actors |
|---|---|---|
| Created by | ctx.spawn_child() | ctx.watch() |
| Auto-stopped | Yes, when parent stops | No |
| Supervision | Yes, restart strategies apply | No |
| Termination notice | Yes, via Terminated | Yes, via Terminated |