nvharikrishna opened a new pull request, #3101:
URL: https://github.com/apache/cassandra/pull/3101
Now the commands looks like something like this:
```
nodetool cms describe
nodetool cms reconfigure
nodetool cms dump
```
Running `nodetool cms` prints the following
```
NAME
nodetool cms - Manage cluster metadata
SYNOPSIS
nodetool cms
nodetool [(-h <host> | --host <host>)] [(-pp | --print-port)]
[(-p <port> | --port <port>)]
[(-pwf <passwordFilePath> | --password-file
<passwordFilePath>)]
[(-u <username> | --username <username>)]
[(-pw <password> | --password <password>)] cms describe
nodetool [(-h <host> | --host <host>)] [(-pp | --print-port)]
[(-p <port> | --port <port>)]
[(-pwf <passwordFilePath> | --password-file
<passwordFilePath>)]
[(-u <username> | --username <username>)]
[(-pw <password> | --password <password>)] cms dump
[(-e <Epoch> | --epoch <Epoch>)]
[(-te <Transform Epoch> | --transform-epoch <Transform
Epoch>)]
[(-v <Version> | --version <Version>)]
nodetool [(-h <host> | --host <host>)] [(-pp | --print-port)]
[(-p <port> | --port <port>)]
[(-pwf <passwordFilePath> | --password-file
<passwordFilePath>)]
[(-u <username> | --username <username>)]
[(-pw <password> | --password <password>)] cms reconfigure
[(-r | --resume)] [(-c | --cancel)] [--status]
OPTIONS
-h <host>, --host <host>
Node hostname or ip address
-p <port>, --port <port>
Remote jmx agent port number
-pp, --print-port
Operate in 4.0 mode with hosts disambiguated by port number
-pw <password>, --password <password>
Remote jmx agent password
-pwf <passwordFilePath>, --password-file <passwordFilePath>
Path to the JMX password file
-u <username>, --username <username>
Remote jmx agent username
COMMANDS
With no arguments, Display help information
describe
Describe the current Cluster Metadata Service
reconfigure
Reconfigure replication factor of CMS
With --resume option, Whether or not a previously interrupted
sequence should be resumed
With --cancel option, Cancels any in progress CMS reconfiguration
With --status option, Poll status of the reconfigurecms command.
All
other flags and arguments are ignored when this one is used.
dump
Dumps Cluster Metadata into a file
With --epoch option, Epoch at which cluster metadata should be
dumped
With --transform-epoch option, The epoch to which the cluster
meta
data should be transformed before dumping
With --version option, Searialization version
```
The [CASSANDRA-19393](https://issues.apache.org/jira/browse/CASSANDRA-19393)
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