--- a/usr/src/java/util/org/opensolaris/os/vp/util/misc/DataSizeUtil.java	Mon Mar 28 10:29:45 2011 -0400
+++ b/usr/src/java/util/org/opensolaris/os/vp/util/misc/DataSizeUtil.java	Mon Mar 28 10:53:34 2011 -0400
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
  */
 
 package org.opensolaris.os.vp.util.misc;
@@ -197,7 +197,7 @@
 	DataSize dataSize = getDataSize(bytes, precision, units, unit);
 
 	// Build format string
-	StringBuffer pattern = new StringBuffer();
+	StringBuilder pattern = new StringBuilder();
 	pattern.append(useCommas ? "#,##0" : "###0");
 	char formatChar =
 	    (forcePrecision && dataSize.unitsIndex != 0) ? '0' : '#';