Hi, Kindly post your suggestions..
Chitra On Mon, Sep 26, 2016 at 3:48 PM, Chitra R <chithu.r...@gmail.com> wrote: > Hi, > > Issues(LUCENE-4795): Add FacetsCollector based on SortedSetDocValues > > https://issues.apache.org/jira/browse/LUCENE-4795 > > > i) In the above discussion, mentioned that there is no need to maintain > sidecar index to collect facets & its count (FacetsCollector) and even we > can achieve it in flat index using SortedSetDocValues... Then what is the > main benefits of using Sidecar or Taxonomy index? > > ii)And i tried to achieve multilevel (hierarchical) categorization using > SortedSetDocValues and got it simply by changing the query and opening the > IndexReader for each level of query using SortedSetDocValuesReaderState.. > > > And i know, in SortedSetDocValuesFacetField >> >> >> - Faceting is a bit slower (~25%), and there is added cost on >> every IndexReader open to create a new SortedSetDocValuesReaderState. >> >> >> - does not support hierarchical facets >> >> > > > 1. what are the functionalities we will be missing when we use > SortedSetDocValues for faceting? what is hierarchical facets? what can we > achieve using hierarchical facets? > > > 2. Except faster faceting and supporting hierarchical facets, is there any > benefit of using taxonomy index over docvalues field for faceting? > > > Any ideas/help/recommendations greatly appreciated.. > > > Regards, > Chitra > > > > > > >