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https://issues.apache.org/jira/browse/HADOOP-13887?focusedWorklogId=624630&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-624630
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ASF GitHub Bot logged work on HADOOP-13887:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 19/Jul/21 20:37
            Start Date: 19/Jul/21 20:37
    Worklog Time Spent: 10m 
      Work Description: steveloughran commented on a change in pull request 
#2706:
URL: https://github.com/apache/hadoop/pull/2706#discussion_r672613441



##########
File path: 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3ABlockOutputStream.java
##########
@@ -389,8 +397,10 @@ public void close() throws IOException {
         // PUT the final block
         if (hasBlock &&
             (block.hasData() || multiPartUpload.getPartsSubmitted() == 0)) {
-          //send last part
-          uploadCurrentBlock();
+          // send last part and set the value of isLastPart to true in case of
+          // CSE being enabled, since we are sure it is last part as parts
+          // are being uploaded serially in CSE.
+          uploadCurrentBlock(isCSEEnabled);

Review comment:
       good point. Looking at source there's no indication this is bad news if 
other uploads are in progress, and it would simplify code.
   
   why not set it?




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

    Worklog Id:     (was: 624630)
    Time Spent: 9h 20m  (was: 9h 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: 9h 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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