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DROP NODE GROUP
Updated on 2025-05-29 GMT+08:00
DROP NODE GROUP
Description
Deletes a node group.
Precautions
- DROP NODE GROUP is an API of the cluster management tool.
- Only the system administrator or a user who has the DROP permission can perform this operation.
Syntax
1 2 |
DROP NODE GROUP groupname [TO ELASTIC GROUP]; |
Parameters
groupname
Specifies the name of the node group to be deleted.
Value range: an existing node group name
Examples
-- Query the initial cluster DN status. gaussdb=# SELECT node_name, nodeis_preferred FROM pgxc_node WHERE node_type = 'D' ORDER BY 1; node_name | nodeis_preferred -----------+------------------ dn_6001_6002_6003 | f dn_6004_6005_6006 | f dn_6007_6008_6009 | f (3 rows) -- Create a node group and replace dn_6001_6002_6003 with the actual node name obtained in the previous step. gaussdb=# CREATE NODE GROUP test_group WITH ( dn_6001_6002_6003 ); -- Delete the node group. gaussdb=# DROP NODE GROUP test_group;
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