I think secondary index could do the trick. However, if you need to provide the pagination function, I will go for Konstantin's solution.
On Wed, Nov 16, 2011 at 10:27 PM, Konstantin Naryshkin <konstant...@a-bb.net > wrote: > Or just have two column families to do it: A CF idToName that has the > userIds as keys and the userName as the only column and a CF nameToId > that has the userNames as keys and the userId as the only column > > On Mon, Nov 14, 2011 at 03:50, chovatia jaydeep > <chovatia_jayd...@yahoo.co.in> wrote: > > 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.) > > > > >