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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "Operations" by JonathanEllis
Date Sun, 24 Jan 2010 19:32:56 GMT
Dear Wiki user,

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The "Operations" page has been changed by JonathanEllis.


  `bin/json2sstable` takes arguments for keyspace and column family names, and full paths
for the JSON input file and the destination SSTable file name.
+ You can also import pre-serialized rows of data using the BinaryMemtable interface.  This
is useful for importing via Hadoop or another source where you want to do some preprocessing
of the data to import.
  == Monitoring ==
  Cassandra exposes internal metrics as JMX data.  This is a common standard in the JVM world;
OpenNMS, Nagios, and Munin at least offer some level of JMX support.

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