It may run on Unix and it will be used for email searching (Dovecot, Postfix and maildir).
Lucene is not a problem, I'm just analyzing some alternatives.
It may run on Unix and it will be used for email searching (Dovecot, Postfix and maildir).
Lucene is not a problem, I'm just analyzing some alternatives.
I don't know if you consider Solr an alternative, since it's built on top of lucene.
But others are:
I'd suggest Managing Gigabytes for Java(mg4j) for its compression performance. Please see also the description of my own question: mg4j vs. apache lucene
For simple things native full-text search of your RDBMS.