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
Connection options
Short Long Description

-h

--host

Hostname or IP address.

-p

--port

Port number.

-pwf

--password-file

Password file path.

-pw

--password

Password.

-u

--username

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]

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