Changes between Version 2 and Version 3 of DespoinaLog_Index_search
- Timestamp:
- 2011-03-04T10:15:01+01:00 (14 years ago)
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DespoinaLog_Index_search
v2 v3 3 3 4 4 === Documentation === 5 http://www.molgenis.org/wiki/IndexBasedSearch, http://www.molgenis.org/wiki/LuceneIndexBasedSearchManual 5 http://www.molgenis.org/wiki/LuceneIndexBasedSearchManual, http://www.molgenis.org/wiki/IndexBasedSearch 6 6 7 7 == Index Design Factors == … … 10 10 11 11 === Storage techniques === 12 How to store the index [http://en.wikipedia.org/wiki/Data data] , that is, whether information should be data compressed or filtered. This is configurable through the configuration file in the plugin.12 How to store the index [http://en.wikipedia.org/wiki/Data data] , that is, whether information should be data compressed or filtered. This is configurable through the configuration file in the plugin. 13 13 14 14 === Index size === 15 === How much computer storage is required to support the index. This depends on the number of the entites (DB tables or Ontocat retrieved terms) selected by the user . The size is optimized by [http://lucene.apache.org/java/2_4_0/api/org/apache/lucene/index/IndexWriter.html Lucene's Indexwriter class] === 15 How much computer storage is required to support the index. This depends on the number of the entites (DB tables or Ontocat retrieved terms) selected by the user . The size is optimized by [http://lucene.apache.org/java/2_4_0/api/org/apache/lucene/index/IndexWriter.html Lucene's Indexwriter class] 16 16 17 === Lookup speed === 17 How quickly a word can be found in the inverted index. Lucene's machine is used for this purpose configuring IndexWriter.Other factors :http://wiki.apache.org/lucene-java/ImproveIndexingSpeed18 How quickly a word can be found in the inverted index. Lucene's machine is used for this purpose configuring IndexWriter .Other factors : http://wiki.apache.org/lucene-java/ImproveIndexingSpeed 18 19 19 [[BR]] 20 == Maintenance == 21 The index should be recreated on database changes. In future work is included the creation of a Molgenis decorators that will add new entries of the database in the index, skipping the creating of the whole index. 22 Fault tolerance:: 20 '''Maintenance''' 21 22 The index should be recreated on database changes. In future work is included the creation of a Molgenis decorators that will add new entries of the database in the index, skipping the creating of the whole index. 23 24 '''Fault tolerance'''::