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https://issues.apache.org/jira/browse/HADOOP-16794?focusedWorklogId=492573&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-492573
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ASF GitHub Bot logged work on HADOOP-16794:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 29/Sep/20 17:25
            Start Date: 29/Sep/20 17:25
    Worklog Time Spent: 10m 
      Work Description: steveloughran commented on pull request #1875:
URL: https://github.com/apache/hadoop/pull/1875#issuecomment-700862736


   3.2 and 3.3 have diverged so much in s3a. I tried a bit of a backport and 
gave up.
   
   Now, internally, CDH 7/CDP is built on the 3.1+ codebase, with much of the 
s3a changes backported. But its not always easy, and was done as code was added
   
   * mockito changes break tests, even though things compile
   * commons-lang is trouble
   * some things (multipart uploader API) haven't gone back
   
   I'm reluctant to replicate the same problems here.
   
   What would be good
   
   * do an AWS SDK update everywhere
   * on older releases, turn off tests we know are flakly/fixed with big 
changes on later branches
   * backport FS API Changes (openFile() in particular) so that code can 
compile more broadly against them. That doesn't mean backporting all the 
speedups behind the scenes, just the API


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 492573)
    Time Spent: 1h 10m  (was: 1h)

> S3A reverts KMS encryption to the bucket's default KMS key in rename/copy
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-16794
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16794
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.2.1
>            Reporter: Mukund Thakur
>            Assignee: Mukund Thakur
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.3.0
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> When using (bucket-level) S3 Default Encryption with SSE-KMS and a CMK, all 
> files uploaded via the HDFS {{FileSystem}} {{s3a://}} scheme receive the 
> wrong encryption key, always falling back to the region-specific AWS-managed 
> KMS key for S3, instead of retaining the custom CMK.



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