nodetool describecluster
Provide the name, snitch, partitioner and schema version of a cluster
Synopsis
nodetool <options> describecluster -- <datacenter>
Tarball and Installer No-Services path:
<installation_location>/resources/cassandra/bin
Short | Long | Description |
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Hostname or IP address. |
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Port number. |
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Password file path. |
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Password. |
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Remote JMX agent username. |
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Separates an option from an argument that could be mistaken for an option. |
Description
Describe cluster is typically used to validate the schema after upgrading. If a schema disagreement occurs, check for and resolve schema disagreements.
Example
$ nodetool describecluster
Cluster Information:
Name: Test Cluster
Snitch: org.apache.cassandra.locator.DynamicEndpointSnitch
Partitioner: org.apache.cassandra.dht.Murmur3Partitioner
Schema versions:
65e78f0e-e81e-30d8-a631-a65dff93bf82: [127.0.0.1]
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]