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> >> > >> > >
