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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "MultiTenant" by StuHood
Date Fri, 01 Oct 2010 17:18:09 GMT
Dear Wiki user,

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The "MultiTenant" page has been changed by StuHood.


   * Implement a weighted scheduler - e.g. for dev/prod accounts on the same cluster [[|CASSANDRA-1485]]
  == Ideas under consideration ==
+  * Include memory usage in "load" considerations for load balancing: ColumnFamilies with
higher cache requirements have memory to consider.
   * Provide relative memory usage settings for caches and Memtables out of configurable (per-user?)
   * Namespaces - in a multi-tenant use case, each user might like to have a keyspace XYZ
for whatever reason.  So it might be nice to have namespaces so that keyspace XYZ could be
specific to their user.  Ideally this would be an option that would not affect those that
don't use namespaces.
     * The distinction from keyspaces is that a namespace would be completely transparent
to the user: the existence of namespaces would not be exposed. It might be returned by the
authentication backend on login, and prefixed to keyspaces transparently.

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