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Billing Example
Last updated:2026-01-20 16:39:56
Billing Example
Last updated: 2026-01-20 16:39:56
This document uses a real billing example of a TDMQ for CKafka (CKafka) instance to provide a detailed analysis of the cost breakdown and calculation methods, helping you understand the specific components that make up CKafka instance costs.

Billing Scenarios

Assume that a user purchased a Pro Edition instance with the postpaid by hour billing mode in the Guangzhou region at 13:20:00 on May 15, 2024. After using the instance for a period, the user upgraded its specifications at 10:00:00 on May 20, 2024, as the original specifications could not meet business requirements. The specifications before and after the upgrade are as follows:
Specifications
Before Upgrade
After Upgrade
Peak bandwidth
240 MB/s
320 MB/s
Disk (Cloud SSD)
1000 GB
3000 GB
Partition
1700
1800
Since the user intended to use the instance for a long period of time, they changed the billing mode of the instance to yearly/monthly subscription at 10:30:00 on May 25, 2024, with a subscription period of 3 months.

Billable Items

Note:
The following prices are for reference only and may not match those on our official website. Actual billing prices are subject to change based on region, promotions, or other policies.
During the period from May to August, the actual fees incurred by this instance are as follows:
Duration
Actual Billing Duration
Billing Mode
Billable Item
Total Fee
2024/05/15 13:20:00~
2024/05/20 10:00:00
2024/05/15 13:00:00~
2024/05/20 10:00:00
117 hours in total
Postpaid by hour
Peak bandwidth (240 MB/s)
Billing unit price = 0.96 + (240 - 120)/20 x 0.08 = 1.44 USD/hour
Total price = 1.44 x 117 = USD 168.48
Disk (1000 GB)
Billing unit price = 0.0003 USD/GB/hour
Total price = 0.0003 x 1000 x 117 = USD 35.1
Partitions (1700)
Billing unit price = 0.05 USD/100 partitions/hour
Billing quantity = 1700 - 1600 = 100 partitions (The package includes 1600 free partitions; the additional 100 partitions are billable.)
Total price = 0.05 x (100/100) x 117 = USD 5.85
168.48 + 35.1 + 5.85 = USD 209.43
2024/05/20 10:00:00~
2024/05/25 10:30:00
2024/05/20 10:00:00~
2024/05/25 11:00:00
121 hours in total
Postpaid by hour
Peak bandwidth (320 MB/s)
Billing unit price = 1.83 USD/hour
Total price = 1.83 x 121 = USD 221.43
Disk (3000 GB)
Billing unit price = 0.0003 USD/GB/hour
Total price = 0.0003 x 3000 x 121 = USD 108.9
Partitions (1800)
The package includes 1,800 free partitions. No additional fees are required.
221.43 + 108.9 = USD 330.33
2024/05/25 10:30:00–2024/08/25 10:30:00
3 months
Yearly/Monthly subscription
Peak bandwidth (320 MB/s)
Billing unit price = 1200 USD/month
Total price = 1200 x 3 = USD 3600
Disk (3000 GB)
Billing unit price = USD 0.16/GB/month
Total price = 0.16 x 3000 x 3 = USD 1440
Partitions (1800)
The package includes 1,800 free partitions. No additional fees are required.
3600 + 1440 = USD 5040
Total fees = 209.43 + 330.33 + 5040 = USD 5579.76

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