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From "Jackson Chung (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-3220) add describe_ring to cli
Date Fri, 16 Sep 2011 18:25:09 GMT
add describe_ring to cli
------------------------

                 Key: CASSANDRA-3220
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3220
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Jackson Chung
            Priority: Minor


Lately I have found the describe_ring feature was needed to debug/analyze issue, but the cli
does not have this available.

So just in case it is useful, please see the attached patch.

here is the sample output:
{noformat}
[default@unknown] help;
...
...
decr                    Decrements a counter column.
describe ring           Describe the token range information.
describe cluster        Describe the cluster configuration.
...
...

[default@unknown] help describe ring;
describe ring <keyspace>;

Describes the token range settings for the named keyspace.

Required Parameters:
- keyspace: Name of the keyspace to describe the token range.

Examples:
describe ring <keyspace>; - Describes the token range settings for the named keyspace.

[default@unknown] describe ring Keyspace3;
TokenRange: 
        TokenRange(start_token:9739248273232290250409572410247679660, end_token:9739248273232290250409572410247679660,
endpoints:[192.168.0.125], rpc_endpoints:[192.168.0.125], endpoint_details:[EndpointDetails(host:192.168.0.125,
port:9160, datacenter:168)])
[default@unknown] describe ring fooks;
Keyspace with name 'fooks' wasn't found, , please, authorize to one of the keyspaces first.
[default@unknown] describe ring;
Syntax error at position 13: mismatched input ';' expecting set null

{noformat}

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