Looks good to me!
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Michael McCandless <[EMAIL PROTECTED]> > To: java-dev@lucene.apache.org > Sent: Monday, September 29, 2008 3:00:17 PM > Subject: draft 2.4 announcement > > > Here's my current draft -- any feedback? > > > Release 2.4.0 of Lucene is now available! > > Many new features, fixes and optimizations have happened since 2.4, > including: > > * New IndexWriter constructors now default autoCommit to false. > > * New commit() method in IndexWriter, lets you control when changes > are made visible & permanent in the index. > > * A machine or OS crash, or power loss, while IndexWriter is writing > to an index should no longer corrupt the index (LUCENE-1044). > > * TimeLimitedCollector adds timeout to searches > > * Delete documents by Query in IndexWriter > > * Pure boolean indexing (no frequency, positions nor payloads are > indexed) using Field.setOmitTf() > > * A new Directory implementation, NIOFSDirectory, using java.nio's > APIs to allow multiple threads to read from the same open file > without locking. > > * IndexWriter.expungeDeletes() reclaims disk space from deleted > documents by merging away segments that have deletions. > > * All filters now return a DocIdSet instead of java.util.BitSet, > making filters more efficient and flexible. > > * IndexReader can be opened with new readOnly=true mode, which gives > better performance in a multi-threaded environment. > > The detailed changes are here: > > > > Lucene 2.4 includes index format changes that are not readable by older > versions of Lucene. Lucene 2.4 can both read and update older Lucene > indexes. Adding to an index with an older format will cause it to be > converted to the newer format. > > Binary and source distributions are available at > http://www.apache.org/dyn/closer.cgi/lucene/java/ > > Lucene artifacts are also available in the Maven2 repository at > http://repo1.maven.org/maven2/org/apache/lucene/ > > Mike > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
