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Merge branch 'v1.11' into issue_3668

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Mark Fussell 2023-08-24 10:12:23 -07:00 committed by GitHub
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daprdocs/content/en/developing-applications/building-blocks/pubsub/pubsub-overview.md
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@ -108,7 +108,7 @@ All Dapr pub/sub components support the at-least-once guarantee.
### Consumer groups and competing consumers pattern
Dapr handles the burden of dealing with consumer groups and the competing consumers pattern. In the competing consumers pattern, multiple application instances using a single consumer group compete for the message. Dapr enforces the competing conusmer pattern when replicas use the same `app-id` without explict consumer group overrides.
Dapr handles the burden of dealing with consumer groups and the competing consumers pattern. In the competing consumers pattern, multiple application instances using a single consumer group compete for the message. Dapr enforces the competing consumer pattern when replicas use the same `app-id` without explict consumer group overrides.
When multiple instances of the same application (with same `app-id`) subscribe to a topic, Dapr delivers each message to *only one instance of **that** application*. This concept is illustrated in the diagram below.