发布订阅代理

下表列出了 Dapr 发布订阅构建块支持的发布和订阅代理。了解如何为 Dapr 发布和订阅设置不同的代理。

发布订阅组件重试与入站弹性

每个发布订阅组件都有自己的内置重试行为，这是消息代理解决方案特有的，与 Dapr 无关。在显式应用 Dapr 弹性策略之前，请确保您了解所使用的发布订阅组件的隐式重试策略。Dapr 弹性不会覆盖这些内置重试，而是对其进行增强，这可能会导致消息的重复聚类。

Table headers to note:

Header	Description	Example
Status	Component certification status	Alpha Beta Stable
Component version	The version of the component	v1
Since runtime version	The version of the Dapr runtime when the component status was set or updated	1.11

Generic

Component	Status	Component version	Since runtime version
Apache Kafka	Stable	v1	1.5
In-memory	Stable	v1	1.7
JetStream	Beta	v1	1.10
KubeMQ	Beta	v1	1.10
MQTT3	Stable	v1	1.7
Pulsar	Stable	v1	1.10
RabbitMQ	Stable	v1	1.7
Redis Streams	Stable	v1	1.0
RocketMQ	Alpha	v1	1.8
Solace-AMQP	Beta	v1	1.10

Amazon Web Services (AWS)

Component	Status	Component version	Since runtime version
AWS SNS/SQS	Stable	v1	1.10

Google Cloud Platform (GCP)

Component	Status	Component version	Since runtime version
GCP Pub/Sub	Stable	v1	1.11

Microsoft Azure

Component	Status	Component version	Since runtime version
Azure Event Hubs	Stable	v1	1.8
Azure Service Bus Queues	Beta	v1	1.10
Azure Service Bus Topics	Stable	v1	1.0