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Instance Type and Specification

Last updated: 2024-08-09 15:07:38
    A database instance is a standalone database environment that runs in the Tencent Cloud. It can contain multiple databases created by users and can be accessed by using the same tools and applications as those for a standalone database instance.

    Instance Types

    TencentDB for PostgreSQL supports the following types of instances:
    Instance Type
    Description
    Architecture
    Visible in the Instance List
    Capability
    Primary instance
    An instance that can be read from and written to
    High-availability edition
    Yes
    The primary instance can associate with read-only instances to realize read/write separation.
    Read-only instance
    An instance that can only be read from
    Single-node read-only
    Yes
    A read-only instance cannot exist on its own. It must instead be associated with a source instance, with its data only being synced from the source instance. It must also reside in the same region as the source instance. By default, up to six read-only instances can be created for a primary instance.

    Reference documents

    For more information on the creation of the read-only instance and relevant notes, see Read-Only Instance Overview.
    For more information on how to create and configure an RO group, see Managing RO Groups.
    Note:
    When the used capacity of the instance exceeds the purchased capacity, the database instance will be locked and become read-only. You can set alarms for capacity usage.

    Supported Instance Specifications

    Edition
    Version
    Specification Type
    CPU and Memory
    Disk Capacity
    Maximum Number of Connections
    Dual-machine high availability (one primary and one secondary), read-only instance
    10,11,12,13,14,15,16
    General - local high-performance SSD
    1core 2GiB
    10GB - 3000GB
    2048
    2core 4GiB
    10GB - 3000GB
    2048
    2core 6GiB
    10GB - 3000GB
    2048
    4core 8GiB
    10GB - 3000GB
    2048
    4core 16GiB
    10GB - 4000GB
    2048
    6core 24GiB
    10GB - 4000GB
    2048
    8core 16GiB
    10GB - 4000GB
    2048
    8core 32GiB
    10GB - 4000GB
    4000
    8core 48GiB
    10GB - 4000GB
    4500
    12core 24GiB
    10GB - 8000GB
    2048
    12core 64GiB
    10GB - 8000GB
    5500
    16core 32GiB
    10GB - 8000GB
    4000
    16core 96GiB
    10GB - 8000GB
    8000
    20core 128GiB
    10GB - 8000GB
    10000
    24core 48GiB
    10GB - 8000GB
    4500
    24core 192GiB
    10GB - 8000GB
    12000
    28core 240GiB
    10GB - 8000GB
    13000
    32core 64GiB
    10GB - 8000GB
    5500
    48core 480GiB
    10GB - 8000GB
    22000
    Note:
    The Shanghai Zone 5, Guangzhou Zone 4, and Guangzhou Zone 6 support larger storage specifications:
    20-core 128 GiB, with disk capacity up to 7000 GB.
    28-core 240 GiB, with disk capacity up to 8000 GB.
    48-core 480 GiB, with disk capacity up to 16000 GB.
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