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https://issues.apache.org/jira/browse/CASSANDRA-3220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108028#comment-13108028
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Brandon Williams commented on CASSANDRA-3220:
---------------------------------------------
There are some very unhelpful errors when mistakes are made:
{noformat}
[default@unknown] describe ring;
Syntax error at position 13: mismatched input ';' expecting set null
[default@unknown] describe ring Keyspace1;
TokenRange:
TokenRange(start_token:113427455640312821154458202477256070484,
end_token:170141183460469231731687303715884105726, endpoints:[10.179.111.137],
rpc_endpoints:[10.179.111.137], endpoint_details:[])
TokenRange(start_token:56713727820156410577229101238628035242,
end_token:113427455640312821154458202477256070484, endpoints:[10.179.64.227],
rpc_endpoints:[10.179.64.227],
endpoint_details:[EndpointDetails(host:10.179.64.227, port:9160,
datacenter:null)])
TokenRange(start_token:170141183460469231731687303715884105726,
end_token:56713727820156410577229101238628035242, endpoints:[10.179.65.102],
rpc_endpoints:[10.179.65.102], endpoint_details:[])
[default@unknown] describe ring system;
null
[default@unknown] describe ring slkdhjsldjf;
Keyspace with name 'slkdhjsldjf' wasn't found, , please, authorize to one of
the keyspaces first.
{noformat}
In particular: omitting the keyspace or using 'system'. Also, datacenter is
null?
> add describe_ring to cli
> ------------------------
>
> Key: CASSANDRA-3220
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3220
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jackson Chung
> Assignee: Jackson Chung
> Priority: Minor
> Fix For: 1.0.0
>
> Attachments: patch3220.diff
>
>
> 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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