Check if Cassandra secondary index meets your requirement.
Thank you, Jaydeep ________________________________ From: Aklin_81 <asdk...@gmail.com> To: user <user@cassandra.apache.org> Sent: Sunday, 13 November 2011 12:32 PM Subject: Fast lookups for userId to username and vice versa I need to create mapping from <userId>(s) to <username>(s) which need to provide for fast lookups service ? Also I need to provide a mapping from <username> to <userId> inorder to implement search functionality in my application. What could be a good strategy to implement this ? (I would welcome suggestions to use any new technologies if they are really worth for my case.)