The library from Huawei is the basis for HBASE-10222 Rajeshbabu works for Huawei.
Cheers On Sun, Dec 22, 2013 at 8:00 AM, Pradeep Gollakota <pradeep...@gmail.com>wrote: > I lied in my previous email... it doesn't look like Phoenix uses HIndex. > > > On Sun, Dec 22, 2013 at 3:53 PM, Pradeep Gollakota <pradeep...@gmail.com > >wrote: > > > Take a look at this library from Huawei. They went a step further to > > colocate the index with the primary partition. I believe Phoenix uses it > > for its indexing. > > > > https://github.com/Huawei-Hadoop/hindex > > > > > > On Sun, Dec 22, 2013 at 1:34 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > >> 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> > >> > > >> > > > > >
