Kafka Topics¶
Create a Topic¶
Click Topics in the Left Navigation¶
Click Create Topic Button¶
Topic Creation Configuration.¶
- Fill in the Topic Name
- Set the number of partitions.
- Set the replication factor.
- Add conditional configuration options if needed.
- Finalize by clicking Create New Topic.
Core Topic Configuration Options¶
| Option | Description | Example/Default Value |
|---|---|---|
| retention.ms | How long (in milliseconds) to retain messages in the topic. | 604800000 (7 days) |
| retention.bytes | Maximum total bytes to retain in the topic. | -1 (unlimited) |
| cleanup.policy | How old data is removed: delete (default) or compact (log compaction). | delete |
| min.insync.replicas | Minimum number of replicas that must acknowledge a write for it to be considered successful. | 1 |
| segment.bytes | Size of each log segment file. | 1073741824 (1 GB) |
| segment.ms | Time after which a new log segment is rolled. | 604800000 (7 days) |
| max.message.bytes | Maximum size of a single message. | 1048588 (1 MB) |
| compression.type | Compression algorithm for topic data: gzip, snappy, lz4, zstd, uncompressed, producer | producer |
| message.timestamp.type | Whether to use CreateTime or LogAppendTime for message timestamps. | CreateTime |
For all Apache Kafka Topic Configuration options please see Apache Kafka Topic Configs