Overview

Last updated: 2020-11-10 15:21:42

    TencentDB for MySQL supports four types of architectures: the High-availability Edition, the Finance Edition, the Single-node High IO Edition, and the Basic Edition. Currently, the Single-node High IO Edition applies to read-only instances only.

    Viewing Instance Architectures

    • For instances to be purchased, log in to the TencentDB for MySQL purchase page and select the architecture in the "Architecture" section.
    • For purchased instances, log in to the MySQL console, locate the desired instance in the instance list, and view its architecture in the "Configuration" column.

    Architecture Comparison

    Architecture High-availability Edition Finance Edition Single-node High IO Edition Basic Edition
    Supported Version MySQL v5.5, v5.6, v5.7, and v8.0 MySQL v5.6, v5.7, and v8.0 MySQL v5.6, v5.7, and v8.0 MySQL v5.7
    Node One source node, one replica node One source node, two replica nodes Single node Single node
    Source-replica Replication Mode Async (default), semi-sync Strong sync - -
    Instance Availability 99.95% 99.99% - -
    Underlying Storage Local NVMe SSD Local NVMe SSD Local NVMe SSD Premium cloud disk
    Performance Up to 240,000 IOPS Up to 240,000 IOPS - The IOPS calculation formula:
    {min 1,500 + 8 * capacity, max 4,500}
    Use Case Gaming, internet, IoT, retail, e-commerce, logistics, insurance, securities, etc. Gaming, internet, IoT, retail, e-commerce, logistics, insurance, securities, etc. Applications with read/write separation requirements Personal learning, small websites, non-core small enterprise systems, and medium-to-large enterprise development and testing

    Documentation

    • TencentDB for MySQL supports MySQL v8.0, v5.7, v5.6, and v5.5. For more information, please see Database Version.
    • TencentDB for MySQL supports the following instance types: the source instance, the read-only instance, and the disaster recovery instance. For more information, please see Database Instance Types.
    • TencentDB for MySQL supports different features in different architectures. For more information, please see List of Feature Differences.

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