On the details page of a topic, view its basic information, partition and producer information, and subscriptions.
Procedure
- Log in to the Kafka console.
- Click
in the upper left corner to select the region where your instance is located.
- Click the desired instance to go to the instance details page.
- In the navigation pane, choose Topics.
- Click a topic name to go to the topic details page.
On the topic details page, the basic information, partitions, producers, and subscriptions are displayed.
Basic Information of a Topic
Figure 1 Basic information of a topic
Table 1 Basic information of a topic
Parameter |
Description |
Topic Name |
Name of this topic. |
Brokers |
This topic has been associated with brokers. |
Partitions |
Number of partitions of this topic. |
Created |
Time when this topic is created.
CAUTION:
The topic creation time is not displayed on the topic details page in any of the following cases:
- The topics were created much earlier. See the console.
- The topics were created automatically, or by commands or code on the client.
|
Partitions
Table 2 Partition information of a topic
Parameter |
Description |
Partition |
Partition No. of this topic. |
Minimum Offset |
Minimum offset of this partition. |
Maximum Offset |
Maximum offset of this partition. |
Messages |
Number of messages in this partition. |
Updated |
Time when the last message in this partition is updated. |
Producers
For topics created much earlier, Producers tab page is not displayed on the topic details page. See the console.
Figure 2 Producers
Table 3 Producer information of a topic
Parameter |
Description |
Broker Address |
Broker address of the Kafka instance connected to the producer. |
Producer Address |
Address of the producer client. |
Producer Connected |
Time when the producer is connected to the Kafka instance. |
Subscriptions
If an instance contains more than 10,000 consumer groups, the subscribed topics cannot be queried.
Figure 3 Subscriptions
Table 4 Subscriptions of a topic
Parameter |
Description |
Consumer Group Name |
Name of the consumer group that subscribes to this topic.
Clicking a consumer group name can go to the consumer group details page and view the consumer list and consumption progress. |
Status |
Current status of a consumer group.
- DEAD: The consumer group has no member or metadata.
- EMPTY: The consumer group has metadata but has no member.
- PREPARING_REBALANCE: The consumer group is to be rebalanced.
- COMPLETING_REBALANCE: All members have joined the consumer group.
- STABLE: Members in the consumer group can consume messages normally.
|
Coordinator(ID) |
Broker where the Coordinator component is. |
Accumulated Messages |
Number of remaining messages that can be consumed in a consumer group. |