LeonGao91 commented on a change in pull request #2483:
URL: https://github.com/apache/hadoop/pull/2483#discussion_r533649887



##########
File path: 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
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@@ -199,7 +199,10 @@
       + "\tWhether to run the balancer during an ongoing HDFS upgrade."
       + "This is usually not desired since it will not affect used space "
       + "on over-utilized machines."
-      + "\n\t[-asService]\tRun as a long running service.";
+      + "\n\t[-asService]\tRun as a long running service."
+      + "\n\t[-sortTopNodes]"
+      + "\tSort over-utilized nodes by capacity to"
+      + " bring down top used datanode faster.";

Review comment:
       Sounds good, will update




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