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Comparison

AlexeySetevoi/ansible-clickhouse

  • Divide configuration files to the one that requires server restart and the one that don't

  • Overrides via configuration files, instead of variables. So instead of providing lots of variables to passthrough to config.xml this role simply allows you to specify which additional configurations will be used instead, there are two variables:

    • clickhouse_configuration_files - additional configuration files
    • clickhouse_top_level_domains_lists_files - static files for top_level_domains_lists

    And those files (in combining with some predefined set of files) will be put into config.d and ClickHouse will merge them by itself.

    Note: if you want to override some file, you can prefix it with z (or similar) to force ClickHouse to load it in the last order (but please verify this).

  • But for users approach with variables is used. For two reasons:

    • There is no simple way to override default user with users.d

    • And also users definition is minimal, in compare with server configuration, you only need to define users, profiles, quotas.

  • See also Key features