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Instance Architecture

Last updated: 2022-06-20 11:20:24

    InnoDB Engine

    Note:

    As the database audit feature is being refactored and upgraded, it is not available for newly purchased instances during this period.

    Instance ArchitectureDefinitionNodeFeature
    Standard Edition (1-source-1-replica) Each shard provides a high-availability architecture based on source/replica active-active deployment. Two nodes: One source node and one replica node
  • Supports read-only replicas.
  • Note

    In the 1-source-1-replica architecture, the read-only replica feature can only be used for low-load read-only tasks. Avoid high-load tasks such as large transactions, as they affect the backup tasks and availability of the replica server.

  • Automatic node failover.
  • Default sampling granularity for monitoring: Once every 5 minutes.
  • Maximum backup time: 7 days.
  • Operation log backup time: 7 days.
  • Supports database audit where audit logs can be retained for 15 days and an unlimited number of rules which can be configured.
  • Standard Edition (1-source-2-replica) Each shard provides a high-availability architecture based on source/replica multi-site active-active deployment. Three nodes: One source node and two replica nodes
    Finance Edition (1-source-1-replica) Each shard provides a high-availability architecture based on source/replica active-active deployment. Two nodes: One source node and one replica node
  • Supports other deployment schemes. To use other schemes, contact your Tencent Cloud sale rep.
  • Supports read-only replicas and implements intelligent load scheduling for read-only replicas.
  • Automatic node failover.
  • Default sampling granularity for monitoring: Once every 1 minute.
  • Maximum backup time: 3,650 days. You need to submit a ticket for application.
  • Operation log backup time: 60 days by default (1 year for archive storage).
  • Supports database audit where audit logs can be retained for 15 days.
  • Provides assistance for regulatory compliance.
  • Finance Edition (1-source-2-replica) Each shard provides a high-availability architecture based on source/replica multi-site active-active deployment. Three nodes: One source node and two replica nodes

    TDStore Engine

    In the beta test phase, the TDStore engine adopts a high-availability architecture of three nodes: one source node and two replica nodes.

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