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https://issues.apache.org/jira/browse/HADOOP-11183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14347034#comment-14347034
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Hudson commented on HADOOP-11183:
---------------------------------
SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2072 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2072/])
HADOOP-11183. Memory-based S3AOutputstream. (Thomas Demoor via stevel) (stevel:
rev 15b7076ad5f2ae92d231140b2f8cebc392a92c87)
* hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
* hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
* hadoop-common-project/hadoop-common/CHANGES.txt
*
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/TestS3AFastOutputStream.java
* hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md
*
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java
*
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFastOutputStream.java
> 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
> Fix For: 2.7.0
>
> 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-11183-010.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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