nodetool removenode
Provides the status of current node removal, forces completion of pending removal, or removes the identified node.
This command triggers cluster streaming.
In large environments, the additional streaming activity causes more pending gossip tasks in the output of |
Synopsis
nodetool [connection_options] removenode
-- <status> | <force> | <ID>
Tarball and Installer No-Services path:
<installation_location>/resources/cassandra/bin
Short | Long | Description |
---|---|---|
|
|
Hostname or IP address. |
|
|
Port number. |
|
|
Password file path. |
|
|
Password. |
|
|
Remote JMX agent username. |
status |
Status of current node removal. |
|
force |
Forces completion of the pending removal. |
|
ID |
Host ID, in UUID format. |
|
|
Separates an option from an argument that could be mistaken for an option. |
Description
This command removes a node, shows the status of a removal operation, or forces the completion of a pending removal.
When the node is down and nodetool decommission
cannot be used, use nodetool removenode
.
Run this command only on nodes that are down.
If the cluster does not use vnodes, before running the nodetool removenode
command, adjust the tokens.
Examples
Determine the UUID of the node to remove by running nodetool status
.
Use the UUID of the node that is down to remove the node.
nodetool status
Datacenter: DC1
===============
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns (effective) Host ID Rack
UN 192.168.2.101 112.82 KB 256 31.7% 420129fc-0d84-42b0-be41-ef7dd3a8ad06 RAC1
DN 192.168.2.103 91.11 KB 256 33.9% d0844a21-3698-4883-ab66-9e2fd5150edd RAC1
UN 192.168.2.102 124.42 KB 256 32.6% 8d5ed9f4-7764-4dbd-bad8-43fddce94b7c RAC1
nodetool removenode d0844a21-3698-4883-ab66-9e2fd5150edd
View the status of the operation to remove the node:
nodetool removenode status
RemovalStatus: No token removals in process.
Confirm that the node has been removed.
nodetool removenode status
Datacenter: DC1
===============
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns (effective) Host ID Rack
UN 192.168.2.101 112.82 KB 256 37.7% 420129fc-0d84-42b0-be41-ef7dd3a8ad06 RAC1
UN 192.168.2.102 124.42 KB 256 38.3% 8d5ed9f4-7764-4dbd-bad8-43fddce94b7c RAC1