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Step 1. Purchasing CKafka Instance

Last updated: 2024-01-09 14:49:39


    This document describes how to use the Specification Calculator in the CKafka console to find the appropriate CKafka instance specification for your self-built Kafka cluster that needs to be migrated to the cloud.


    1. Log in to the CKafka console.
    2. On the left sidebar, select Migration to Cloud, select the region you want to migrate to, and click Specification Calculator.
    3. Enter the specification of your self-built Kafka cluster on the specification calculator page.
    Kafka Version
    Select the version of your self-built Kafka cluster. For more information on CKafka version selection, please see Suggestions for CKafka Version Selection.
    Peak Business Bandwidth
    Peak business bandwidth = max (production peak bandwidth * number of replicas, consumption peak bandwidth).
    Estimate according to the current peak value of actual disk usage.
    Total Partitions
    Total number of partitions of the topic to be migrated. The number of replicas should be considered. For example, if one topic replica has 5 partitions, then two replicas have 10 partitions in total. CKafka does not support single-replica topics.
    Multi-AZ Deployment
    Select whether to deploy in multiple AZs according to your business needs. For more information, see Multi-AZ Deployment.
    Data Compression
    CKafka does not support the Gzip compression format. For more information, see Data Compression.
    4. Click Next to get the recommended CKafka instance specification.
    5. Click Buy Now to redirect to the instance purchase page.
    6. Confirm the purchase information, click Buy Now, wait 5–10 minutes, and you can see that the instance is created on the instance list page.
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