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queryResultMaxDocsCached: SOLR-291 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@554688 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2007-07-09 15:45:30 +00:00
parent b51e9a42f7
commit 0d8a368a97
3 changed files with 14 additions and 4 deletions
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4
CHANGES.txt
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@ -95,6 +95,10 @@ New Features
15. SOLR-273: Added hl.maxAnalyzedChars highlighting parameter, defaulting to
50k (klaas)
16. SOLR-291: Control maximum number of documents to cache for any entry
in the queryResultCache via queryResultMaxDocsCached solrconfig.xml
entry. (Koji Sekiguchi via yonik)
Changes in runtime behavior
Optimizations

8
example/solr/conf/solrconfig.xml
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@ -180,9 +180,13 @@
is requested, a superset of the requested number of document ids
are collected. For example, if a search for a particular query
requests matching documents 10 through 19, and queryWindowSize is 50,
then documents 0 through 50 will be collected and cached. Any further
then documents 0 through 49 will be collected and cached. Any further
requests in that range can be satisfied via the cache. -->
<queryResultWindowSize>10</queryResultWindowSize>
<queryResultWindowSize>50</queryResultWindowSize>
<!-- Maximum number of documents to cache for any entry in the
queryResultCache. -->
<queryResultMaxDocsCached>200</queryResultMaxDocsCached>
<!-- This entry enables an int hash representation for filters (DocSets)
when the number of items in the set is less than maxSize. For smaller

6
src/java/org/apache/solr/search/SolrIndexSearcher.java
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@ -259,6 +259,7 @@ public class SolrIndexSearcher extends Searcher implements SolrInfoMBean {
private static boolean useFilterForSortedQuery=SolrConfig.config.getBool("query/useFilterForSortedQuery", false);
private static int queryResultWindowSize=SolrConfig.config.getInt("query/queryResultWindowSize", 1);
private static int queryResultMaxDocsCached=SolrConfig.config.getInt("query/queryResultMaxDocsCached", Integer.MAX_VALUE);
public Hits search(Query query, Filter filter, Sort sort) throws IOException {
@ -808,8 +809,9 @@ public class SolrIndexSearcher extends Searcher implements SolrInfoMBean {
out.docList = superset.subset(offset,len);
}
// lastly, put the superset in the cache
if (key != null) {
// lastly, put the superset in the cache if the size is less than or equal
// to queryResultMaxDocsCached
if (key != null && superset.size() <= queryResultMaxDocsCached) {
queryResultCache.put(key, superset);
}
}