Changes between Version 2 and Version 3 of proposals/LuceneOnlySearch

Timestamp:

Oct 31, 2011, 8:12:40 AM (12 years ago)

Author:

Fxp

Comment:

--

proposals/LuceneOnlySearch

@@ -22 +22 @@
 
 
+The Lucene only search is available through the "q" service which return XML response. The widgets interface could be configured to use this service instead of xml.search (ie. classic user interface will not change). 
+
 === Proposal Type ===
  * '''Type''': Lucene, Core Change
  * '''App''': !GeoNetwork
- * '''Module''': !LuceneSearcher
+ * '''Module''': !LuceneSearcher, Widgets
 
 === Links ===
@@ -36 +38 @@
 == Motivations ==
 
- * Performance improvements.
+ * Performance improvements: search could be 10 to 20 time faster and better support concurrent users.
+
+The following charts compare 3 services:
+ * xml.search in default mode (ie with DB, with XSL)
+ * xml.search in fast mode (ie. with DB, no XSL)
+ * q service (#485) which dump all index fields (ie. no DB, no XSL)
+
+
+=== Number of concurrent users increasing ===
 
 [[Image(geonetwork-pure-lucene-search-perf.png)]]
+
+
+=== number of records returned per page ===
 
 [[Image(geonetwork-pure-lucene-search-perf-with-larger-number-of-results.png)]]
@@ -128 +141 @@
 None.
 
+== Missing features ==
+
+ * Support multilingual metadata: classic mechanism to use GUI language and fallback to main language is not implemented for this service. It should be part of the multilingual metadata indexing proposal (http://trac.osgeo.org/geonetwork/wiki/MultilingualIndexMechanism) and require more work.
+
+
+
 == Risks ==