szetszwo commented on code in PR #10405:
URL: https://github.com/apache/ozone/pull/10405#discussion_r3350626642


##########
hadoop-ozone/dist/src/main/smoketest/balancer/testBalancer.robot:
##########
@@ -160,7 +160,7 @@ Get All Container IDs
 
 Get Datanode Ozone Used Bytes Info
     [arguments]             ${uuid}
-    ${output} =    Execute    export DATANODES=$(ozone admin datanode list 
--json) && for datanode in $(echo "$\{DATANODES\}" | jq -r '.[].id'); do ozone 
admin datanode usageinfo --uuid=$\{datanode\} --json | jq 
'{(.[0].datanodeDetails.id.uuid) : .[0].ozoneUsed}'; done | jq -s add
+    ${output} =    Execute    export DATANODES=$(ozone admin datanode list 
--json) && for datanode in $(echo "$\{DATANODES\}" | jq -r '.[].id'); do ozone 
admin datanode usageinfo --uuid=$\{datanode\} --json | jq 
'{(.[0].datanodeDetails.uuidString) : .[0].ozoneUsed}'; done | jq -s add

Review Comment:
   > ... , it look for getUuid() ...
   
   This part is my confusion -- there is no getUuid() in DatanodeID before this 
change.  The method we are renaming is getID().  So why it works before the 
change?
   
   ```diff
   +++ 
b/hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/protocol/DatanodeID.java
   @@ -44,11 +44,6 @@ private DatanodeID(final UUID uuid) {
        this.uuidByteString = StringWithByteString.valueOf(uuid.toString());
      }
    
   -  // Mainly used for JSON conversion
   -  public String getID() {
   -    return toString();
   -  }
   -
   ```



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