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[DO] Adding clarification: cannot have two concurrent alarms per DO instance #21093

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Merged
merged 2 commits into from
Mar 24, 2025
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[DO] Adding clarification: cannot have two concurrent alarms per DO instance #21093

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c92e263
Adding clarification to Alarms.
Oxyjun Mar 24, 2025
589a43a
Merge commit '7a3c9a2fd29bdd89706b4a8a3f362fa48edd0e2c' into jun/do/a…
Oxyjun Mar 24, 2025
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4 changes: 2 additions & 2 deletions src/content/docs/durable-objects/api/alarms.mdx
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Expand Up @@ -64,8 +64,8 @@ Alarms can be used to build distributed primitives, like queues or batching of w
- `retryCount` <Type text="number"/>: The number of times this alarm event has been retried.
- `isRetry` <Type text="boolean"/>: A boolean value to indicate if the alarm has been retried. This value is `true` if this alarm event is a retry.


- The `alarm()` handler has guaranteed at-least-once execution and will be retried upon failure using exponential backoff, starting at 2 second delays for up to 6 retries. Retries will be performed if the method fails with an uncaught exception.
- Only one instance of `alarm()` will ever run at a given time per Durable Object instance.
- The `alarm()` handler has guaranteed at-least-once execution and will be retried upon failure using exponential backoff, starting at 2 second delays for up to 6 retries. This only applies to the most recent `setAlarm()` call. Retries will be performed if the method fails with an uncaught exception.

- This method can be `async`.

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