Help Center/ MapReduce Service/ Component Operation Guide (LTS)/ Using ClickHouse/ Enterprise-Class Enhancements of ClickHouse/ Configuring the Interconnection Between ClickHouse and Open-Source ClickHouse
Updated on 2025-08-22 GMT+08:00
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Configuring the Interconnection Between ClickHouse and Open-Source ClickHouse

Scenarios

For clusters in normal mode (Kerberos authentication disabled), you need to configure CLICKHOUSE_OPENSOURCE_COMMUNITY to interconnect with the open-source or other vendors' ClickHouse. For clusters in security mode (Kerberos authentication enabled), the interconnection is not supported.

Notes and Constraints

This section applies only to MRS 3.3.1-LTS.1 or later.

Parameter Configuration

  1. Log in to FusionInsight Manager.

    For details, see Accessing FusionInsight Manager.

  2. Choose Cluster > Services > ClickHouse. Click Configurations then All Configurations, choose ClickHouseServer(Role) > Security, and search for and modify the following parameters.

    Parameter

    Description

    Example Value

    CLICKHOUSE_OPENSOURCE_COMMUNITY

    Whether to support the interconnection with the open-source ClickHouse.

    • false: Interconnection with the open-source ClickHouse is not supported.
    • true: Interconnection with the open-source ClickHouse is supported.

    true

  1. Click Save. In the displayed dialog box, click OK to save the configuration. Choose Instances, select ClickHouseServer instances, and click More > Instance Rolling Restart.