org.apache.cassandra.tools
Class ClusterCmd

java.lang.Object
  org.apache.cassandra.tools.ClusterCmd

public class ClusterCmd
extends java.lang.Object

JMX cluster wide operations for Cassandra.

Constructor Summary

ClusterCmd(java.lang.String host)
Creates a ClusterProbe using the specified JMX host and default port.

ClusterCmd(java.lang.String host, int port)
Creates a ClusterProbe using the specified JMX host and port.

Method Summary

void	clearGlobalSnapshot() Remove all the existing snapshots from all (live) nodes in the cluster
void	close()
static void	main(java.lang.String[] args)
void	printEndpoints(java.lang.String keyspace, java.lang.String key)
void	takeGlobalSnapshot(java.lang.String snapshotName) Take a snapshot of all tables on all (live) nodes in the cluster
void	truncate(java.lang.String tableName, java.lang.String cfName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClusterCmd

public ClusterCmd(java.lang.String host,
                  int port)
           throws java.io.IOException,
                  java.lang.InterruptedException

Creates a ClusterProbe using the specified JMX host and port.

Parameters:

host - hostname or IP address of the JMX agent

port - TCP port of the remote JMX agent

Throws:

java.io.IOException - on connection failures

java.lang.InterruptedException

ClusterCmd

public ClusterCmd(java.lang.String host)
           throws java.io.IOException,
                  java.lang.InterruptedException

Creates a ClusterProbe using the specified JMX host and default port.

Parameters:

host - hostname or IP address of the JMX agent

Throws:

java.io.IOException - on connection failures

java.lang.InterruptedException

Method Detail

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

printEndpoints

public void printEndpoints(java.lang.String keyspace,
                           java.lang.String key)

takeGlobalSnapshot

public void takeGlobalSnapshot(java.lang.String snapshotName)
                        throws java.io.IOException,
                               java.lang.InterruptedException

Take a snapshot of all tables on all (live) nodes in the cluster

Parameters:

snapshotName - name of the snapshot

Throws:

java.io.IOException

java.lang.InterruptedException

clearGlobalSnapshot

public void clearGlobalSnapshot()
                         throws java.io.IOException,
                                java.lang.InterruptedException

Remove all the existing snapshots from all (live) nodes in the cluster

Throws:

java.io.IOException

java.lang.InterruptedException

truncate

public void truncate(java.lang.String tableName,
                     java.lang.String cfName)

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException,
                        java.lang.InterruptedException

Parameters:

args -

Throws:

java.io.IOException

java.lang.InterruptedException