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 Instance > 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
Figure 2 Partitions
Table 2 Partition information of a topic | Parameter | Description |
| Partition | Partition No. of this topic. |
| Minimum Offset | Minimum offset of this partition. |
| First Updated | Time when the earliest message in this partition is updated. CAUTION: First Updated displays -- when all messages in the partition are aged or no message is produced. |
| Maximum Offset | Maximum offset of this partition. |
| Last Updated | Time when the last message in this partition is updated. CAUTION: Last Updated displays -- when all messages in the partition are aged or no message is produced. |
| Messages | Number of messages in this partition. |
Producers
For topics created much earlier, Producers tab page is not displayed on the topic details page. See the console.
Figure 3 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 4 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. |