Thanks, Abhay. Can someone please throw light on how to disable scoring?
--shashi On Wed, Sep 16, 2009 at 11:55 AM, abhay kumar <abhay...@gmail.com> wrote: > Hi, > > 1)Solr has various type of caches . We can specify how many documents cache > can have at a time. > e.g. if windowsize=50 > 50 results will be cached in queryResult Cache. > if user makes a new request to server for results after 50 > documents a new request will be sent to the server & server will retrieve > next 50 results in the cache. > http://wiki.apache.org/solr/SolrCaching > Yes, solr looks into the cache to retrieve the fields to be returned. > > 2) Yes, we can have different tokenizers or filters for index & search. We > need not create a different fieldtype. We need to configure the same > fieldtype (datatype) for index & search analyzers sections differently. > > e.g. > > <fieldType name="textSpell" class="solr.TextField" > positionIncrementGap="100" stored="false" multiValued="true"> > *<analyzer type="index">* > <tokenizer class="solr.StandardTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > > <!--<filter class="solr.SynonymFilterFactory" > synonyms="Synonyms.txt" ignoreCase="true" expand="false"/>--> > <filter class="solr.StopFilterFactory" ignoreCase="true" > words="stopwords.txt"/> > <filter class="solr.StandardFilterFactory"/> > <filter class="solr.RemoveDuplicatesTokenFilterFactory"/> > </analyzer> > * <analyzer type="query">* > <tokenizer class="solr.StandardTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > > <filter class="solr.StandardFilterFactory"/> > <filter class="solr.RemoveDuplicatesTokenFilterFactory"/> > </analyzer> > </fieldType> > > > > Regards, > Abhay > > On Tue, Sep 15, 2009 at 6:41 PM, Shashikant Kore <shashik...@gmail.com>wrote: > >> Hi, >> >> I am familiar with Lucene and trying out Solr. >> >> I have index which was created outside solr. The index is fairly >> simple with two field - document_id & content. The query result needs >> to return all the document IDs. The result need not be ordered by the >> score. For this, in Lucene, I use custom hit collector with search to >> get results quickly. The index has a few million documents and queries >> returning hundreds of thousands of documents are not uncommon. So, the >> speed is crucial here. >> >> Since retrieving the document_id for each document is slow, I am using >> FileldCache to store the values of document_id. For all the results >> collected (in a bitset) with hit collector, document_id field is >> retrieved from the fieldcache. >> >> 1. How can I effectively disable scoring? I have read that >> ConstantScoreQuery is quite fast, but from the code, I see that it is >> used only for wildcard queries. How can I use ConstantScoreQuery for >> all the queries (boolean, term, phrase, ..)? Also, is >> ConstantScoreQuery as fast as a custom hit collector? >> >> 2. How can Solr take advantage of the fieldcache while returning the >> field document_id? The documentation says, fieldcache can be >> explicitly auto warmed with Solr. If fieldcache is available and >> initialized at the beginning, will solr look into the cache to >> retrieve the fields to be returned? >> >> 3. If there is an additional field for stemmed_content on which search >> needs to use different analyzer, I suppose, that could be specified by >> fieldType attribute in the schema. >> >> Thank you, >> >> --shashi >> >
