You should look over the FAQ, lots of information there.
See: http://wiki.apache.org/lucene-java/LuceneFAQ
You can index and search in parallel, but a searcher doesn't
see additions to an indexer until the underlying IndexReader is
closed/reopened (see the FAQ section:
Does Lucene allow searchin
You can simply call IndexWriter.addDocument() for new jobs and
IndexWriter.updateDocument
http://lucene.apache.org/java/2_4_0/api/org/apache/lucene/index/IndexWri
ter.html
Also, don't forget to optimize your index. Depending on your volume,
you might want to optimize during slow traffic.
Eric A
