Use StringBuilder instead of StringBuffer to avoid unnecessary synchr…

…onization
Alluxio · Jun 21, 2016 · c9fa13f · c9fa13f
1 parent 60a23dd
commit c9fa13f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/common/src/main/java/alluxio/util/FormatUtils.java b/core/common/src/main/java/alluxio/util/FormatUtils.java
@@ -192,7 +192,7 @@ public static long parseSpaceSize(String spaceSize) {
    * @return human-readable version of the given mode
    */
   public static String formatMode(short mode, boolean directory) {
-    StringBuffer str = new StringBuffer();
+    StringBuilder str = new StringBuilder();
     if (directory) {
       str.append("d");
     } else {