Alibaba Cloud Certified Associate (ACA) Practice Test

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In Alibaba Cloud RocketMQ, messages are retained for how many days?

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In Alibaba Cloud RocketMQ, messages are retained for a default period of 3 days. This retention period is crucial for ensuring that messages can be consumed by subscribers even if they are unable to process them immediately upon arrival. The predefined retention duration allows for both flexibility in message handling and system design, balancing storage requirements with the practical needs of message consumption.

While you selected 2 days as the response, it is important to recognize that the actual default retention time is longer, allowing for messages to be safely stored and retrieved within a more generous timeframe, accommodating various use cases in real-time messaging scenarios. This means that applications that rely on RocketMQ can have a buffer period to handle message processing without the risk of immediate loss of data.

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