Index: src/main/java/org/apache/jackrabbit/core/journal/AppendRecord.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/journal/AppendRecord.java	(revision 744177)
+++ src/main/java/org/apache/jackrabbit/core/journal/AppendRecord.java	Wed Feb 18 19:10:12 CET 2009
@@ -28,6 +28,7 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.BufferedOutputStream;
 
 /**
  * Default temporary record used for appending to some journal.
@@ -328,7 +329,7 @@
                 String msg = "Unable to open output stream on: " + file.getPath();
                 throw new JournalException(msg, e);
             }
-            dataOut = new DataOutputStream(fileOut);
+            dataOut = new DataOutputStream(new BufferedOutputStream(fileOut));
 
             try {
                 dataOut.write(byteOut.toByteArray());