InstantiatedIndex, alternative RAM store for small corpora.
'org.apache.lucene:lucene-instantiated:3.2.0'
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-instantiated</artifactId>
<version>3.2.0</version>
</dependency>
<dependency org="org.apache.lucene" name="lucene-instantiated" rev="3.2.0"/>
"org.apache.lucene", "lucene-instantiated", "3.2.0"