xinglin commented on a change in pull request #4091:
URL: https://github.com/apache/hadoop/pull/4091#discussion_r832726638



##########
File path: 
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
##########
@@ -823,7 +823,7 @@ private static int getWeightUsingNetworkLocation(Node 
reader, Node node) {
           }
           currentLevel++;
         }
-        weight = (readerPathToken.length - currentLevel) +
+        weight = 2 + (readerPathToken.length - currentLevel) +

Review comment:
       nit: could we move "2 + " to the end of the next line, so that it is 
identical to what is in trunk? 
   
   ```
           weight = (readerPathToken.length - currentLevel) +
               (nodePathToken.length - currentLevel) + 2;
   ```




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