Also regarding the Join functionality I remember Yonik pointed out it's O(# unique terms) but I agree with Erik on the ExternalFileField as you can use it just inside a function query, for example, for boosting. Tommaso
2012/3/1 Erick Erickson <erickerick...@gmail.com> > Hmmm. ExternalFileFields can only be float values, so I'm not > sure "the necessary data" is straight-forward. Additionally, they > are used in function queries. Does this still work? > > I really don't know the performance characteristics if, say, you have > users with access to all documents for SOLR-2272, but I'd make > sure and test first, that's kinda scary. > > You might also be able to work something out with > "no cache" filter queries, see: > > http://www.lucidimagination.com/blog/2012/02/10/advanced-filter-caching-in-solr/ > and > > http://www.lucidimagination.com/blog/2012/02/22/custom-security-filtering-in-solr/ > > Best > Erick > > > On Mon, Feb 27, 2012 at 3:13 PM, Kevin Osborn > <kevin.osb...@cbsinteractive.com> wrote: > > I am looking at two different options to filter results in Solr, > basically > > a per-user access control list. Our index is about 2.5 million documents > > > > The first option is to use ExternalFieldField. It seems pretty > > straightforward. Just put the necessary data in the files and query > against > > that data. > > > > I was also intrigued by the Join feature in 4.0 trunk (SOLR-2272). In > this > > case, I would keep my access data in a separate core, and do cross-core > > join queries. The two cores would have about the same number of documents > > (2.5 million), but one core would have the actual data and the other core > > would have the access information. So, the number of unique terms on the > > key would be quite high. Would this be too slow? > > > > If someone has any knowledge about the performance issues on these two > > methods, please give an advice. Thanks. > > > > -- > > KEVIN OSBORN > > LEAD SOFTWARE ENGINEER > > T 949.399.8714 C 949.310.4677 > > 5 Park Plaza, Suite 600, Irvine, CA 92614 >
