ben-roling commented on a change in pull request #646: HADOOP-16085: use object 
version or etags to protect against inconsistent read after replace/overwrite
URL: https://github.com/apache/hadoop/pull/646#discussion_r269739781
 
 

 ##########
 File path: 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java
 ##########
 @@ -696,7 +698,7 @@ public S3AInputPolicy getInputPolicy() {
    * @return the change detection policy
    */
   @VisibleForTesting
 
 Review comment:
   I actually thought a little about this.  I was thinking of 
`@VisibileForTesting` in this case as documenting this method is only public to 
allow access in tests (in a different package).  I know it is more typically 
used on protected or package-private methods.
   
   I'm curious if there is any feedback about this being public in general?  
I'm accessing it across packages in a couple of tests (in the s3guard and 
select packages).
   
   I can reinforce that it is only visible for tests by mentioning that 
explicitly in the javadoc.  

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