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Confluent Metric

CKU

Catalog row in Vendor License Metrics · Cited

Unit
Confluent Unit for Kafka per hour
Aliases
Confluent Unit for Kafka; KAFKA_NUM_CKUS
Definition
Billing Dimensions in Confluent Cloud: "A CKU is a fixed unit of pre-allocated capacity for Dedicated Kafka clusters in Confluent Cloud. Each CKU bundles throughput, partition, and connection limits."
Counting rules
The customer sets the number of CKUs at cluster creation and pays per CKU per hour on the configured capacity, whether used or idle. After an expand or shrink the new CKU count is billed from the next hour.
Floors / minimums
Single-zone Dedicated clusters need 1 or more CKUs; multi-zone clusters need at least 2. Credit card billing is limited to 4 CKUs per cluster, cloud marketplace or invoice billing to 24, higher on request.
Applies to products
  • Confluent Cloud Dedicated cluster
Related metrics
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