Billing Overview

Last updated: 2021-02-24 11:01:58

    The CKafka service can be billed as an instance using a prepaid monthly subscription plan.

    Standard Edition

    Currently, CKafka Standard Edition has 2 versions available in 8 instance types such as small and standard based on peak throughput and disk capacity. Disks can be expanded separately.
    CKafka has an elastic and cost-effective billing mode that only requires you to estimate the performance and disk capacity required by your business and purchase instances as needed. Instances are deployed in the multi-node cluster mode, allowing you to enjoy highly reliable and available services without having to worry about the underlying deployment.


    • Throughput refers to the outbound and inbound bandwidth. For example, a throughput of 40 MB indicates that the outbound and inbound peak bandwidth is 40 MB. The replicas of an instance share the throughput equally. For example, for a throughput of 40 MB and three replicas, you should purchase a bandwidth with a throughput of 120 MB/s.
    • For more information on conditions that may affect the data reliability of CKafka, please see CKafka Data Reliability.

    Standard Edition instance pricing

    Instance Type Peak Throughput (MB/s) Disk Capacity (GB) Number of Instance-Level Topics Number of Instance-Level Partitions Price (USD/Month)
    Small 40 300 25 60 870
    Standard 100 1000 40 100 1510
    Advanced 150 2500 50 150 1920
    Large 180 4000 150 300 2330
    Xlarge L1 300 6000 250 500 2740
    Xlarge L2 400 6000 250 500 3970
    Xlarge L3 600 6000 350 600 5170
    Xlarge L4 900 9000 450 700 7030


    • One topic can support up to 24 partitions.
    • A maximum of 50 instance-level consumer groups is supported by default.
    • The instance-level partition limit applies to the number of replicas. For example, if an instance has one topic with 2 replicas with 4 partitions each, and two topics with 3 replicas with 3 partitions each, then the total number of partitions in this instance is (1 * 2 * 4) + (2 * 3 * 3) = 26.
    • An idle consumer group can exist for up to 7 days.
    • If you need CKafka instances with higher specifications, please contact your Tencent Cloud rep or submit a ticket for assistance.

    Disk expansion pricing

    Instance Type Disk Capacity (GB) Price (USD/Month)
    Shared - disk expansion 100 8

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