nodetool describering
Provides the partition ranges of a keyspace.
Synopsis
nodetool <options> describering -- <keyspace>
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. |
keyspace |
Name of keyspace. |
|
|
Separates an option from an argument that could be mistaken for an option. |
Example
This example shows the sample output of the command on a three-node cluster.
$ nodetool describering demo_keyspace
Schema Version:1b04bd14-0324-3fc8-8bcb-9256d1e15f82
TokenRange:
TokenRange(start_token:3074457345618258602, end_token:-9223372036854775808,
endpoints:[127.0.0.1, 127.0.0.2, 127.0.0.3],
rpc_endpoints:[127.0.0.1, 127.0.0.2, 127.0.0.3],
endpoint_details:[EndpointDetails(host:127.0.0.1, datacenter:datacenter1, rack:rack1),
EndpointDetails(host:127.0.0.2, datacenter:datacenter1, rack:rack1),
EndpointDetails(host:127.0.0.3, datacenter:datacenter1, rack:rack1)])
TokenRange(start_token:-3074457345618258603, end_token:3074457345618258602,
endpoints:[127.0.0.3, 127.0.0.1, 127.0.0.2],
rpc_endpoints:[127.0.0.3, 127.0.0.1, 127.0.0.2],
endpoint_details:[EndpointDetails(host:127.0.0.3,
datacenter:datacenter1, rack:rack1),
EndpointDetails(host:127.0.0.1, datacenter:datacenter1, rack:rack1),
EndpointDetails(host:127.0.0.2, datacenter:datacenter1, rack:rack1)])
TokenRange(start_token:-9223372036854775808, end_token:-3074457345618258603,
endpoints:[127.0.0.2, 127.0.0.3, 127.0.0.1],
rpc_endpoints:[127.0.0.2, 127.0.0.3, 127.0.0.1],
endpoint_details:[EndpointDetails(host:127.0.0.2, datacenter:datacenter1, rack:rack1),
EndpointDetails(host:127.0.0.3, datacenter:datacenter1, rack:rack1),
EndpointDetails(host:127.0.0.1, datacenter:datacenter1, rack:rack1)])
If a schema disagreement occurs, the last line of the output includes information about unreachable nodes.
$ nodetool describecluster
Cluster Information:
Name: Production Cluster
Snitch: org.apache.cassandra.locator.DynamicEndpointSnitch
Partitioner: org.apache.cassandra.dht.Murmur3Partitioner
Schema versions:
UNREACHABLE: 1176b7ac-8993-395d-85fd-41b89ef49fbb: [10.202.205.203]