The MENU > TOPICS page on the Supertubes web interface shows information about your Kafka topics.

If you have multiple Kafka clusters, select the one to show from the CLUSTER field.

The summary bar gives you an overview of the topics in the cluster, displaying the following information.

  • Topics: The total number of topics in the cluster.
  • Partitions: The total number of partitions in the cluster.
  • URP: The number of under-replicated partitions.
  • Without leader: The total number of partitions without a leader.
  • Under min ISR: Number of partitions under minimum in-sync replication number.

Kafka topics

For each topic, Supertubes displays the following information. Click on a topic to display its details.

  • TOPIC NAME: The name of the topic.
  • REPLICATION FACTOR: The replication factor of the topic.
  • PARTITIONS: The number of partitions for the topic.
  • MESSAGE COUNT: The number of messages in the topic.
  • IN / OUT BYTES: The total amount of incoming and outgoing traffic.
  • SIZE (CURRENT / LIMIT): The current size of the topic and the maximal configured size of the topic. If the size retention is not configured and the maximum size is not limited, an endless sign (∞) is displayed.
  • CONSUMERS: The number of consumers for the topic.
  • SPREAD: The percentage of brokers in the cluster that have partitions for the given topic.
  • TAGS: Shows if the topic is hidden, compacted, or both. By default, such topics are not visible. To list such topics,click the TAGS column and select them. Filter topics

Find a topic 🔗︎

  • To find a specific topic, use the Search Search field.
  • To also list topics having a specific tag, or set of tags, click the TAGS column to select them. Filter topics

Export topic list 🔗︎

To export the data of the current page in CSV or JSON format, click Download data.

Topic details 🔗︎

The details view of the topic displays the following information.

  • MESSAGE COUNT: The number of messages in the topic.
  • COMPACTED: Whether the topic has been compacted or not.
  • PARTITIONS: The number of partitions for the topic.
  • REPLICATION FACTOR: The replication factor of the topic.
  • Minimum ISR: Minimum in-sync replication number.

Topic details

To export the data of the current page in CSV or JSON format, click Download data.

Partition details of a topic 🔗︎

Click MENU > TOPICS > <TOPIC-NAME> > PARTITIONS to display the details of the partitions belonging to the topic. The following information is displayed.

Topic details

  • ID: The ID of the partition.
  • LEADER: The ID of the leader Kafka server of the partition.
  • OFFSET: Lowest and highest available offsets (low watermark / high watermark).
  • SIZE: The size of the partition.
  • ISR: The number of replicas that are in-sync.
  • REPLICAS: The number of replicas for the topic.

To export the data of the current page in CSV or JSON format, click Download data.

Consumer groups of a topic 🔗︎

Click MENU > TOPICS > <TOPIC-NAME> > CONSUMER GROUPS to display the details of the consumers of a topic. The following information is displayed.

Topic details

  • CONSUMER GROUP:
  • STATE:
  • OVERALL LAG:
  • MEMBERS:

To export the data of the current page in CSV or JSON format, click Download data.