On Tue, Jun 30, 2009 at 3:21 PM, Ian Lea<ian....@gmail.com> wrote:
> Have you read the javadocs? What does collector.getTotalHits() return?
> Does it return the same when you use new TopDocCollector(1000) and
> some other number? Are you asking basically the same questions in 2
> different threads at the same time?
>
> You are still iterating over many hits and that will still take longer
> than if you iterate over fewer hits.
>
>
> --
> Ian.
>
>
>
>
> On Tue, Jun 30, 2009 at 1:38 PM, m.harig<m.ha...@gmail.com> wrote:
>>
>> Thanks eric
>>
>> in Ian's link, particularly see the section "Don't iterate over morehits
>> than necessary".
>>
>> A couple of other things:
>> 1> Loading the entire document just to get a field or two isn't
>> very efficient, think about lazy loading (See FieldSelector)
>> i done it , but have couple of questions
>>
>> 2> What do you mean when you say "not very good"? Using too
>> much memory? Slow?
>> yes , of course , it went for java heap space .
>>
>>
>> here is my code
>>
>> IndexReader open = IndexReader.open(indexDir);
>> IndexSearcher searcher = new IndexSearcher(open);
>> final String fName = "title";
>> QueryParser parser = new QueryParser("contents", new
>> StopAnalyzer());
>> Query query = parser.parse(qryStr);
>>
>> TopDocCollector collector = new TopDocCollector(1000);//
>> searcher.search(query, collector);
>>
>> FieldSelector selector = new FieldSelector() {
>> public FieldSelectorResult accept(String fieldName) {
>> return fieldName == fName ?
>> FieldSelectorResult.LOAD
>> :
>> FieldSelectorResult.LAZY_LOAD;
>> }
>>
>>
>> };
>>
>> final int totalHits = collector.getTotalHits();
>> ScoreDoc[] scoreDocs = collector.topDocs().scoreDocs;
>>
>>
>> for (int i = 0; i < totalHits; i++) {
>> Document doc = searcher.doc(scoreDocs[i].doc,
>> selector);
>>
>> System.out.println(i+" ) "+doc.get("title"));
>> System.out.println(doc.get("path"));
>>
>> }
funny that you past the code I did send you as an example and ask in a
separate thread for tuning :D
simon
>>
>> can you please tune my code to work it faster and better, is it possible to
>> display total hits like google , since am using new TopDocCollector(1000);
>> it won't allow you to pick total hits ?? am i right???
>>
>> --
>> View this message in context:
>> http://www.nabble.com/optimized-searching-tp24266553p24271145.html
>> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>>
>>
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