- Service Overview
- Getting Started
- User Guide
- Developer Guide
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Getting Started
-
APIs for Managing Queues and Messages
- Creating a Queue
- Viewing All Queues
- Viewing a Queue
- Deleting a Queue
- Creating a Consumer Group
- Viewing All Consumer Groups of a Specified Queue
- Deleting a Consumer Group
- Sending Messages to a Queue
- Consuming Messages
- Acknowledging Consumption of Specified Messages
- Viewing Quotas
- Consuming Dead Letter Messages
- Acknowledging Consumption of Specified Dead Letter Messages
- FAQ
- Appendix
- Change History
- Best Practices
-
FAQs
- Does DMS Support FIFO Delivery?
- Does DMS Support "At Least Once" Message Delivery?
- How Long Can a Message be Retained in a Queue?
- What Is the Maximum Size of a Message?
- Does DMS Guarantee Zero Message Repetition?
- How Does DMS Ensure Message Security in a Queue?
- How Many Queues Can Be Created Under a Project?
- How Many Consumer Groups Can Be Created in Each Queue?
- Why Can't I Retrieve the Chosen Number of Messages from a Queue That Contains Only a Few Messages?
- Why Do Consumers Need to Acknowledge Messages?
- Will Duplicate Messages Be Retrieved After "Delay Message Delivery" Is Enabled?
- Will Duplicate Messages Be Retrieved After Redelivery?
- What Are the Differences Between Kafka Queues and Kafka Premium Instances?
- Do RabbitMQ or Kafka Premium Instances Support Cross-VPC Access?
- Do RabbitMQ or Kafka Premium Instances Support Cross-Subnet Access?
- How to Select and Configure a Security Group?
- Can I Access DMS Over a Public Network?
- Where Does a Newly Created Consumer Group Start Message Retrieval?
- How Is the Performance of Global FIFO Queues?
- Why Can't I View the Subnet and Security Group Information When Creating a DMS Instance?
- What If One RabbitMQ VM Fails to Be Restarted When a Cluster RabbitMQ Instance Is Being Restarted?
- How Are Requests Evenly Distributed to Each VM of a Cluster RabbitMQ Instance?
- Do Queues Inside a Cluster RabbitMQ Instance Have Any Redundancy Backup?
- DMS Password Complexity Requirements
- General Reference
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How Long Can a Message be Retained in a Queue?
In standard queues, messages are retained for at least 72 hours and will be deleted 72 hours later. In Kafka queues, messages are retained for 1 to 72 hours, depending on what you choose when creating a queue. In Kafka premium instances, messages are retained for 1 to 168 hours, depending on what you choose when creating a topic.
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