Added by Johan Oskarsson, last edited by Jonathan Ellis on Apr 15, 2009
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- Cassandra powers inbox search at Facebook, which is up to 40 TB of data across 120 machines in two separate data centers. Facebook has also said they use Cassandra for other applications but there are no public details about those.
Rackspace
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- Rackspace has two full-time developers working on Cassandra. There are no public details about what applications they are running on it.
Cloudera
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- Cloudera has a developer working part-time on Cassandra. Cloudera is looking to expand its paid support offerings to Cassandra.