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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "Operations" by MakiWatanabe
Date Mon, 24 Oct 2011 14:12:12 GMT
Dear Wiki user,

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

The "Operations" page has been changed by MakiWatanabe:

Update cli command syntax to change replication factor

  To update the replication factor on a live cluster, forget about cassandra.yaml. Rather
you want to use '''cassandra-cli''':
-  . update keyspace Keyspace1 with replication_factor = 3;
+  . update keyspace Keyspace1 with strategy_options = {replication_factor:3};
  === Network topology ===
  Besides datacenters, you can also tell Cassandra which nodes are in the same rack within
a datacenter.  Cassandra will use this to route both reads and data movement for Range changes
to the nearest replicas.  This is configured by a user-pluggable !EndpointSnitch class in
the configuration file.

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