# Information_Schema Database (Continue...)
+ `INFORMATION_SCHEMA.CLUSTER_CONFIG` 
  + The table is used to get the configuration of all current component instances in the cluster
  + The introduction of this system table after TiDB v4.0 improves ease of use
  + TYPE: The type of node. Valid values are tidb, pd, and tikv
  + INSTANCE: The service address of the node
  + KEY: Configuration item name
  + VALUE: The value of the configuration item

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INFORMATION_SCHEMA
INFORMATION_SCHEMA.CLUSTER_CONFIG
- The CLUSTER_CONFIG table is used to get the configuration of all current component instances in the cluster
- The introduction of this system table after TiDB v4.0 improves ease of use
- TYPE: The type of node. Valid values are tidb, pd, and tikv
- INSTANCE: The service address of the node.
- KEY: The name of the configuration item.
- VALUE: The value of the configuration item