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TDMQ for Apache Pulsar
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    Pro Cluster Billing

    Last updated: 2024-09-05 09:12:01
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      This document describes the billing mode of TDMQ for Apache Pulsar pro cluster.

      Billable Items

      TDMQ for Apache Pulsar pro cluster is monthly subscribed (prepaid) with the following billable items:
      Cluster specifications
      Storage specifications

      Billable Specification

      Cluster specification limits

      Max Messaging TPS: Indicates the upper limit on the messaging (production and consumption) TPS of a TDMQ for Apache Pulsar pro cluster.
      Note:
      The max messaging TPS varies by cluster specification. For more information, see Pro Cluster Specification.
      Peak Bandwidth: If it is set to 45 MB/s, both the outbound and inbound bandwidth of the TDMQ for Apache Pulsar pro cluster can reach up to 45 MB/s, including the traffic of three replicas.
      Other resource limits: Besides TPS and bandwidth, cluster specifications also vary in terms of certain controlled resources and configuration limits. For details, see Pro Cluster Specification‌.

      Exceeded Specification Limits

      Pro Cluster - Fixed Storage

      If your actual usage exceeds the purchased cluster's specification limit, the current platform will not implement throttling measures (expected to be launched in Q3 2024). It is recommended to subscribe to the alarms for the cluster's core metrics, pay attention to metric changes and corresponding performance, promptly upgrade the cluster specification, and ensure stable business operation. We will consider providing elasticity in the future to avoid this issue.

      Pro Cluster - Elastic Storage

      If your actual usage exceeds the purchased cluster's specification limit, based on the sending/receiving ratio that you configured when creating the cluster, the platform will implement throttling . This will affect the normal sending and receiving of messages. It is recommended to subscribe to the cluster's core metric alarms and promptly upgrade the cluster specification to ensure stable business operation.

      Cluster TPS Specification

      1. Messaging TPS refers to the maximum sum of messages sent and subscribed per second.
      2. For advanced feature messages, there are two scenarios:
      For scheduled/delayed messages, transaction messages, and Key-Share subscription, the number of calls when sending messages should be multiplied by a factor of 5 times the rate of normal messages. For example, sending 1,000 delayed messages per second would result in a message send TPS of 1,000 x 5 = 5,000 times/second.
      For tag messages, production is calculated as normal messages, and the filtered message count will be increased in consumption measurement. For example, sending 1,000 messages per second, with a message subscription volume of 2,000 and a message filtered volume of 5,000, the message sending/receiving TPS would be 1,000 + 2,000 + 5,000 = 8,000 times/second.
      3. Message size is measured in 4 KB, and TPS is calculated based on different multiples depending on message size:
      Message size
      Multiples
      N ≤ 4 KB
      1
      4KB < N ≤ 16KB
      2
      16 KB < N ≤ 100 KB
      8
      100 KB < N ≤ 1 MB
      32
      1 MB < N ≤ 5 MB
      128
      For example, if the message receiving volume is 5,000 messages per second, and the message sending volume is 5,000 messages per second, with an average message body size of 8 KB, then the message sending and receiving TPS is (8/4)x(5,000+5,000)=20,000 times/second.

      Billing Description

      Cluster specification billing

      TDMQ for Apache Pulsar pro cluster provides different computing specifications determined by the messaging TPS and peak bandwidth.
      Item
      Description
      Billable item
      Fees are charged based on the purchased cluster specification.
      Billing method
      Billing cycle: It is subject to the actual validity period of the cluster.
      Billing formula
      Monthly subscription: Cluster specification fees = validity period (month) x unit price (USD/month).
      Unit price
      It is subject to the price on the purchase page.

      Fixed Storage Costs

      TDMQ for Apache Pulsar pro cluster provides SSD to store cluster data with three replicas by default. You can purchase the storage space as needed.
      Item
      Description
      Billable item
      Fees are charged based on the storage specification configured during cluster purchase.
      Billing method
      Billing cycle: It is subject to the actual validity period of the cluster.
      Billing formula
      Monthly subscription: Storage specification fees = selected specification (GB) 3 validity period (month) * unit price (USD/GB/month).
      Unit price
      See the table below.

      Storage unit price

      Unit: USD/GB/month
      Region
      Cloud Disk Type
      SSD
      South China (Guangzhou)
      0.1397
      East China (Shanghai)
      0.1397
      East China (Nanjing)
      0.1397
      North China (Beijing)
      0.1397
      Southwest China (Chengdu)
      0.1397
      Southwest China (Chongqing)
      0.1397
      East China (Shanghai Finance Zone)
      0.2458
      South China (Shenzhen Finance Zone)
      0.2458
      North China (Beijing Finance Zone)
      0.2458
      Hong Kong, Macao and Taiwan, China (Hong Kong)
      0.1536
      Southeast Asia (Singapore)
      0.1746
      Southeast Asia (Jakarta)
      0.1746
      West US (Silicon Valley)
      0.1606
      Europe (Frankfurt)
      0.1746
      Northeast Asia (Seoul)
      0.1816
      Asia Pacific (Mumbai)
      0.1676
      East US (Virginia)
      0.1746
      Southeast Asia Pacific (Bangkok)
      0.1746
      Northeast Asia (Tokyo)
      0.2095
      South America (São Paulo)
      0.1746

      Elastic Storage Costs

      TDMQ for Apache Pulsar pro cluster (elastic storage) employs linear pricing for storage. Storage Costs = Message Storage Size x Storage Unit Price x Duration .
      Note
      Pulsar by default stores messages in three replicas, so the billed storage size is approximately three times the total size of the monitored messages.
      The following table shows the storage unit price (Unit: USD/GB/hour):
      Region
      Guangzhou, Shanghai, Nanjing, Beijing, Chengdu, Chongqing, Qingyuan
      Shenzhen Finance, Beijing Finance, Shanghai Finance
      Hong Kong (China)
      São Paulo, Singapore, Thailand, Jakarta, Virginia, Frankfurt
      Seoul, Northeastern Europe
      Mumbai
      Japan
      Silicon Valley
      Unit Price (USD/GB/Hour)
      0.00032551
      0.00058902
      0.00038751
      0.00046502
      0.00048052
      0.00044951
      0.00054252
      0.00043401
      Note
      1. Billing is calculated on an hourly basis, with the peak storage value within an hour considered as the actual usage. Any time less than one hour is billed as one hour.
      2. Settlement occurs every hour, and a bill is pushed every 24 hours. The costs will be automatically deducted from the account balance.
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