Rajeshbabu is working on HBASE-10222 which adds support of secondary index to HBASE core.
FYI On Dec 22, 2013, at 2:11 AM, Henning Blohm <henning.bl...@zfabrik.de> wrote: > Lately we have added a secondary index feature to a persistence tier over > HBASE. Essentially we implemented what is described as "Dual-Write Secondary > Index" in http://hbase.apache.org/book/secondary.indexes.html. I.e. while > updating an entity, actually before writing the actual update, indexes are > updated. Lookup via the index ignores stale entries. A recurring rebuild and > clean out of stale entries takes care the indexes are trimmed and accurate. > > None of this was terribly complex to implement. In fact, it seemed like > something you could do generically, maybe not on the HBASE level itself, but > as a toolbox / utility style library. > > Is anybody on the list aware of anything useful already existing in that > space? > > Thanks, > Henning Blohm > > *ZFabrik Software KG* > > T: +49 6227 3984255 > F: +49 6227 3984254 > M: +49 1781891820 > > Lammstrasse 2 69190 Walldorf > > henning.bl...@zfabrik.de <mailto:henning.bl...@zfabrik.de> > Linkedin <http://www.linkedin.com/pub/henning-blohm/0/7b5/628> > ZFabrik <http://www.zfabrik.de> > Blog <http://www.z2-environment.net/blog> > Z2-Environment <http://www.z2-environment.eu> > Z2 Wiki <http://redmine.z2-environment.net> >