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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "NodeProbe" by JonathanEllis
Date Tue, 02 Mar 2010 20:53:14 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "NodeProbe" page has been changed by JonathanEllis.


- More and more instrumentation is being added to Cassandra. What has traditionally only been
available from the web interface can now be obtained by querying the JMX agent.
+ More and more instrumentation is being added to Cassandra via standard JMX apis.
  The `nodetool` utility provides a simple command line interface to these exposed operations
and attributes.
+ See [[Operations]] for a more high-level view of when you would want to use the actions
described here.
  ''Note: This utility currently requires the same environment as cassandra itself, namely
the same classpath (including, and a valid storage-conf property.''

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