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Posted to solr-user@lucene.apache.org by Erik Hatcher <er...@ehatchersolutions.com> on 2009/07/20 21:52:29 UTC
Re: hierarchical faceting discussion
I was particularly surprised by the SOLR-64 numbers. What makes it's
response so huge (and thus slow) to return the entire tree of facet
counts?
Erik
On Jul 19, 2009, at 5:35 PM, Erik Hatcher wrote:
> I've posted the details of some experiments I just did comparing/
> contrasting two approaches for faceting on documents within
> hierarchical structures: http://wiki.apache.org/solr/HierarchicalFaceting
>
> I'm sure I'm only scratching the service with the currently
> implementations of both SOLR-64 and SOLR-792. Alternative
> approaches are welcome! As I said on the wiki page, there won't be
> any single method that works in all cases - it will depend on how
> the hierarchical counts are needed - as an entire tree? (not likely
> in large taxonomic cases!) How are level pruned counts needed?
> Implementation-wise, seems like payloads could be be useful for some
> use cases.
>
> What are the use cases?
>
> What types and sizes of hierarchies are folks dealing with out there
> in the real world?
>
> Erik
>