kerneltime commented on PR #3953:
URL: https://github.com/apache/ozone/pull/3953#issuecomment-1314140521

   > @kerneltime `rename` will change the modification time of the renamed 
file. While this may be somewhat "inaccurate", it is Ozone currently 
implemented, so I set the default value of 
`ozone.om.fso.filesystem.modification.time.enabledto` to `false` to ensure that 
after the update, the behavior is the same as before.
   > 
   > or we can think of it as a bug so that we can change the current 
implementation directly without a configuration.
   
   I am leaning towards the original implementation being a bug, I will need to 
check what HDFS defaults to. Renames are operations performed at the directory 
level and should not change time stamps for files being renamed.


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