Viewing Kafka Topic Details

On the details page of a topic, view its basic information, partition and producer information, and subscriptions.

Log in to the console.
Click in the upper left corner to select the region where your instance is located.
Click in the upper left corner and choose Application > Distributed Message Service for Kafka to open the Kafka instance list.
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.

Figure 1 Basic information of a topic
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**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.

Figure 2 Partitions
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**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.

For topics created much earlier, Producers tab page is not displayed on the topic details page. See the console.

Figure 3 Producers
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**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.

If an instance contains more than 10,000 consumer groups, the subscribed topics cannot be queried.

Figure 4 Subscriptions
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**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.