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Posted to java-user@lucene.apache.org by Sebastin <se...@gmail.com> on 2007/10/26 11:16:37 UTC
Re: Java Heap Space -Out Of Memory Error
Hi All,
is it now possible to release the memory after every search in lucene
for 50 GB of records.
testn wrote:
>
> I think you store dateSc with full precision i.e. with time. You should
> consider to index it just date part or to the resolution you really need.
> It should reduce the memory it use when constructing DateRangeQuery and
> plus it will improve search performance as well.
>
>
>
> Sebastin wrote:
>>
>> Hi All,
>> i used to search 3 Lucene Index store of size 6 GB,10 GB,10 GB of
>> records using MultiReader class.
>>
>> here is the following code snippet:
>>
>>
>>
>> Directory indexDir2 =
>> FSDirectory.getDirectory(indexSourceDir02,false);
>> IndexReader indexSource2 =
>> IndexReader.open(indexDir2);
>> Directory indexDir3 =
>>
>> FSDirectory.getDirectory(indexSourceDir03,false);
>> IndexReader indexSource3 =
>> IndexReader.open(indexDir3);
>> Directory indexDir4 =
>>
>> FSDirectory.getDirectory(indexSourceDir04,false);
>> IndexReader indexSource4 =
>> IndexReader.open(indexDir4);
>>
>>
>>
>> IndexReader[] readArray =
>> {indexSource2,indexSource3,indexSource4};
>> //merged reader
>> IndexReader mergedReader = new MultiReader(readArray);
>> IndexSearcher is = new IndexSearcher(mergedReader);
>>
>>
>> QueryParser parser =
>> new QueryParser("contents" ,new
>> StandardAnalyzer());
>>
>>
>> String searchQuery=
>> new
>> StringBuffer().append(inputNo).append(" AND dateSc:["
>> ).append(fromDate).append(" TO ").append(toDate).append("]").append("
>> ").append("AND").append(" ").append(callTyp).toString();
>>
>>
>>
>> Query callDetailquery =
>> parser.parse(searchQuery);
>>
>> hits = is.search(callDetailquery);
>>
>>
>> it takes 300 MB of RAM for every search and it is very very slow is there
>> any other way to control the Memory and to make search faster.i use
>> SINGLETON to use the IndexSearcher as a one time used object for all the
>> instances.
>>
>
>
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