cheyu2022 commented on pull request #3987:
URL: https://github.com/apache/hadoop/pull/3987#issuecomment-1039548096


   > just had a cursory look. This I don't think will fix the bug, but will 
just give a workaround like, if you don't have a primaryGroup get this config 
set and you can dodge it? Why didn't we try something like: 
https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/records/MountTable.java#L152-L153
   
   You are right about this. This fix is more like a workaround. But even this 
solution above sounds like a workaround as well - it just assumes if group 
isn't found, use username. I'm ok with either way.
   
   > Secondly, Why is user name also made configurable?
   
   Mount points can essentially have any user names, thus make it configurable 
as well.
   
   > Thirdly, Just saw the commit: 
[virajith](https://github.com/cheyu2022/hadoop/commits?author=virajith) 
authored and 
[cheyu2022](https://github.com/cheyu2022/hadoop/commits?author=cheyu2022) 
committed
   > 
   > seems you are using some wrong author?
   
   Yeah nice catch, I will fix that.
   @ayushtkn 


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