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SHOW-CONFIG

SHOW-CONFIG​

Name​

SHOW CONFIG

Description​

This statement is used to display the configuration of the current cluster (currently only the configuration items of FE are supported)

grammar:

SHOW FRONTEND CONFIG [LIKE "pattern"];

The columns in the results have the following meanings:

  1. Key: Configuration item name
  2. Value: Configuration item value
  3. Type: Configuration item type
  4. IsMutable: Whether it can be set by ADMIN SET CONFIG command
  5. MasterOnly: Is it only applicable to Master FE
  6. Comment: Configuration item description

Example​

  1. View the configuration of the current FE node

    SHOW FRONTEND CONFIG;
  2. Use the like predicate to search the configuration of the current Fe node

    mysql> SHOW FRONTEND CONFIG LIKE '%check_java_version%';
    +--------------------+-------+---------+---------- -+------------+---------+
    | Key | Value | Type | IsMutable | MasterOnly | Comment |
    +--------------------+-------+---------+---------- -+------------+---------+
    | check_java_version | true | boolean | false | false | |
    +--------------------+-------+---------+---------- -+------------+---------+
    1 row in set (0.01 sec)

Keywords​

SHOW, CONFIG

Best Practice​