Parameter | Fill in a Sample | Description |
Name | Input Topic Name | Topic name, cannot be changed after input. The name can only contain letters, numbers, underscores, hyphens, and periods. Does not support starting with double underscores. |
Partition Count | Keep default values for 3 partitions. | A concept of physical partition. A Topic can contain one or more partitions. CKafka uses partitions as the allocation unit. The deployment architecture defaults to at least 3 nodes. It is recommended to start with at least 3 partitions for a more balanced data distribution. For partition count configuration, refer to Parameter Configuration Instructions. |
Number of Replicas | Keep default values for 2 replicas. | The number of replicas of a Partition is used to ensure high availability of the Partition. To ensure data reliability, 2 replicas are enabled by default. The number of replicas is also counted as the number of partitions. For example, if a customer creates 1 Topic, 6 partitions, and 2 replicas, then the Partition limit used is 1 × 6 × 2 = 12. Note: Setting as single replica cannot guarantee availability. Proceed with caution. |
Tag | Can be left blank. | Tags are used to manage resources by category from different dimensions. For more details about tags, see Tag Management. |
retention.ms | Keep default values for 3 days. | Message retention time in the Topic dimension, ranging from 1 minute to 90 days. |