The document discusses updates and new features in Lucene/Solr 3.2-3.4 including adding documents with IndexWriter, using TieredMergePolicy for indexing, and the deprecated update.processor chain. It also covers search features like grouping, term queries, explanations from Carrot2, and caching as well as schema changes like new analyzers and omitting positions. The document lists admin tools for merging indexes, unloading with deletion, core creation with properties, and upgrading indexes. It notes some removed contrib modules and provides a link for job opportunities.

1. Lucene/Solr 3.2-3.4
Koji Sekiguchi
koji@apache.org

2. index
IndexWriter.addDocuments(docs)
TieredMergePolicy
default @Lucene 3.2/Solr 3.3
update.chain
@deprecated update.processor

3. index (cont'd)
TwoPhaseCommit
UniqFieldsUpdateProcessor

4. search
group=on
{!term}
structured explanation
ReloadCacheRequestHandler
Carrot2 3.5.0

5. search (cont'd)
hl.phraseLimit parameter
{!cache=false}
BlockJoinQuery

6. schema
KStemFilter
ReversePathHierarchyTokenizer
omitPositions="true"
version 1.4
autoGeneratePhraseQueries="false" is the default

7. admin / tools
action=MERGEINDEXES&srcCore=coreName
action=UNLOAD&deleteIndex=true
action=CREATE&property.name=value
IndexUpgrader

8. removed
contrib/ant
contrib/db
contrib/lucli
contrib/swing
contrib/wordnet

9. Thanks!
We're hiring!
http://www.rondhuit.com/recruit.html