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https://issues.apache.org/jira/browse/HADOOP-13887?focusedWorklogId=598694&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-598694
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ASF GitHub Bot logged work on HADOOP-13887:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 18/May/21 17:06
            Start Date: 18/May/21 17:06
    Worklog Time Spent: 10m 
      Work Description: bogthe edited a comment on pull request #2706:
URL: https://github.com/apache/hadoop/pull/2706#issuecomment-843269836


   Did some digging and found out some more context: 
   - For CSE `uploadPart` has to have parts [uploaded 
sequentially](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3EncryptionClient.html#uploadPart-com.amazonaws.services.s3.model.UploadPartRequest-);
   - There was a request to support them parallel but it [doesn't look like 
they're going to be added to 
V1](https://github.com/aws/aws-sdk-java/issues/2248) and [it's on the feature 
request for V2](https://github.com/aws/aws-sdk-java-v2/projects/1)
   
   Also make sure your multi part code sets `lastPart` to `true` for CSE 
otherwise you'll still get the error you mentioned above. *


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

    Worklog Id:     (was: 598694)
    Time Spent: 3h 20m  (was: 3h 10m)

> Encrypt S3A data client-side with AWS SDK (S3-CSE)
> --------------------------------------------------
>
>                 Key: HADOOP-13887
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13887
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Jeeyoung Kim
>            Assignee: Igor Mazur
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: HADOOP-13887-002.patch, HADOOP-13887-007.patch, 
> HADOOP-13887-branch-2-003.patch, HADOOP-13897-branch-2-004.patch, 
> HADOOP-13897-branch-2-005.patch, HADOOP-13897-branch-2-006.patch, 
> HADOOP-13897-branch-2-008.patch, HADOOP-13897-branch-2-009.patch, 
> HADOOP-13897-branch-2-010.patch, HADOOP-13897-branch-2-012.patch, 
> HADOOP-13897-branch-2-014.patch, HADOOP-13897-trunk-011.patch, 
> HADOOP-13897-trunk-013.patch, HADOOP-14171-001.patch, S3-CSE Proposal.pdf
>
>          Time Spent: 3h 20m
>  Remaining Estimate: 0h
>
> Expose the client-side encryption option documented in Amazon S3 
> documentation  - 
> http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingClientSideEncryption.html
> Currently this is not exposed in Hadoop but it is exposed as an option in AWS 
> Java SDK, which Hadoop currently includes. It should be trivial to propagate 
> this as a parameter passed to the S3client used in S3AFileSystem.java



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