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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11183) Memory-based S3AOutputstream
Date Thu, 12 Feb 2015 12:34:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14318130#comment-14318130
] 

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/12695552/HADOOP-11183.003.patch
  against trunk revision ac8d52b.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 1 new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-tools/hadoop-aws.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/5669//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/5669//artifact/patchprocess/newPatchFindbugsWarningshadoop-aws.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/5669//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-11183.001.patch, HADOOP-11183.002.patch, HADOOP-11183.003.patch,
info-003.md, info-S3AFastOutputStream-sync.md
>
>
> 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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