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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "FAQ" by StuHood
Date Tue, 03 Nov 2009 21:12:57 GMT
Dear Wiki user,

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The "FAQ" page has been changed by StuHood.


  == What happens to existing data in my cluster when I add new nodes? ==
- Start the new nodes with the -b [bootstrap] option and it will contact other nodes in the
cluster to move the right data to it.
+ Starting a new node with the -b [bootstrap] option will cause it to contact other nodes
in the cluster to copy the right data to itself.
+ In Cassandra 0.5 and above, there is an "AutoBootStrap" option in the config file. When
enabled, using the "-b" options is unnecessary, because new nodes will automatically bootstrap
themselves when they start up for the first time. It is recommended that you leave "InitialToken"
blank for these versions, because the improved bootstrap process will pick a balanced Token
for each node.
+ In Cassandra 0.4 and below, it is recommended that you manually specify a value for "InitialToken"
in the config file of a new node.
  == Can I add/remove/rename Column Families on a working cluster? ==

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