Viewing RocketMQ Consumer Group Details
After a consumer group is created, you can query its configuration and status on the console.
Prerequisite
- A RocketMQ instance has been purchased.
- A consumer group has been created.
Viewing RocketMQ Consumer Group Details
- Log in to the console.
- Click
in the upper left corner to select a region.
DMS for RocketMQ instances in different regions cannot communicate with each other over an intranet. Select a nearest location for low latency and fast access.
- Click
and choose Middleware > Distributed Message Service for RocketMQ to open the console of DMS for RocketMQ.
- Click a RocketMQ instance to go to the instance details page.
- In the navigation pane, choose Instance > Consumer Groups.
- Click the desired consumer group to go to the consumer group details page.
- The basic information can be viewed in the upper part on the page. For details, see Table 1.
- The consumer list, all topics subscribed by the consumer group, user authorization, and subscriptions can be viewed in the lower part on the page. For details, see Table 1.
Table 1 Consumer group details parameters Parameter
Description
Consumers
Client ID
ID of the consumer client.
Address
Address of the consumer client.
Version
Version of the consumer client.
Language
Language of the consumer client.
Subscribed Topics (v4.8.0)
Topic
Name of the topic subscribed by a consumer.
Clicking a topic name displays the topic details.
Brokers
Brokers associated with the topic. The value is from the brokers set in topic creation.
Read Queues
Number of read queues of the broker associated with the topic. The value is from the number of broker queues set in topic creation.
Write Queues
Number of write queues of the broker associated with the topic. The value is from the number of broker queues set in topic creation.
Consumption Mode
Consumption mode of a topic. The value is from the permissions set in topic creation.
Queue ID
Each topic contains one or more queues. They are automatically allocated when the topic is created, and cannot be customized.
Client ID
ID of the consumer client.
Messages
Total number of consumed messages in a queue, that is, the sum of Consumed and Available.
Retrieved Messages
Total number of consumed messages in a queue.
Available Messages
Total number of unconsumed messages in a queue.
Last Retrieved Message Stored
Time when the last consumed message was stored.
Subscribed Topics (v5.x)
Topic
Name of the topic subscribed by a consumer.
Clicking a topic name displays the topic details.
Total
Total number of consumed messages in a topic, that is, the sum of Consumed and Available.
Consumed
Total number of consumed messages in a topic.
Available
Total number of unconsumed messages in a topic.
Operation
To view the latest number of messages, click Refresh Message Data.
User Permissions (displayed only when ACL is enabled)
Username
User who accesses the consumer client.
IP Whitelist
IP address whitelist of the user. The value is the IP address whitelist configured in user creation.
Administrator
Whether the user is an administrator. The value is the administrator configured in user creation.
Permission
IP address whitelist of the user. The value is the default consumer group permission configured in user creation.
Subscriptions (All consumers subscribe to the same topic and tag.)
Consumer Group Status
Status of the consumer group, which can be online or offline.
Topic
Name of the topic subscribed by the consumer.
Subscription Rule
Rule of the topic subscribed by the consumer. The value * indicates that any message of the topic is subscribed.
Subscriptions (All consumers subscribe to different topics and tags.)
Consumer Group Status
Status of the consumer group, which can be online or offline.
Client
ID of the consumer client.
Subscription
Information about the topic subscribed to by the consumer.
Related Document
To view consumer group details by calling an API, see Querying the Consumer Group List or Details.
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