Changed the default index format to be compound.

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150245 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -75,6 +75,10 @@ $Id$
     http://issues.apache.org/bugzilla/show_bug.cgi?id=27491
     (Morus Walter via Otis)
 
+14. Changed so that the compound index format is used by default.
+    This makes indexing a bit slower, but vastly reduces the chances
+    of file handle problems.  (Cutting)
+
 
 1.3 final
 

src/java/org/apache/lucene/index/IndexWriter.java

@@ -112,10 +112,11 @@ public class IndexWriter {
 
   private Lock writeLock;
 
-  /** Use compound file setting. Defaults to false to maintain multiple files
-   *  per segment behavior.
+  /** Use compound file setting. Defaults to true, minimizing the number of
+   * files used.  Setting this to false may improve indexing performance, but
+   * may also cause file handle problems.
    */
-  private boolean useCompoundFile = false;
+  private boolean useCompoundFile = true;
 
 
   /** Setting to turn on usage of a compound file. When on, multiple files