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https://issues.apache.org/jira/browse/HADOOP-11183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344971#comment-14344971
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Hadoop QA commented on HADOOP-11183:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12702156/HADOOP-11183-009.patch
  against trunk revision 4228de9.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: 
https://builds.apache.org/job/PreCommit-HADOOP-Build/5831//console

This message is automatically generated.

> Memory-based S3AOutputstream
> ----------------------------
>
>                 Key: HADOOP-11183
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11183
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.6.0
>            Reporter: Thomas Demoor
>            Assignee: Thomas Demoor
>         Attachments: HADOOP-11183-004.patch, HADOOP-11183-005.patch, 
> HADOOP-11183-006.patch, HADOOP-11183-007.patch, HADOOP-11183-008.patch, 
> HADOOP-11183-009.patch, HADOOP-11183.001.patch, HADOOP-11183.002.patch, 
> HADOOP-11183.003.patch, design-comments.pdf
>
>
> Currently s3a buffers files on disk(s) before uploading. This JIRA 
> investigates adding a memory-based upload implementation.
> The motivation is evidently performance: this would be beneficial for users 
> with high network bandwidth to S3 (EC2?) or users that run Hadoop directly on 
> an S3-compatible object store (FYI: my contributions are made in name of 
> Amplidata). 



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