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https://issues.apache.org/jira/browse/HADOOP-8079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213873#comment-13213873
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Sanjay Radia commented on HADOOP-8079:
--------------------------------------
After going through the patch here is a proposal for jira breakdown
# Security
src/core/org/apache/hadoop/io/SecureIOUtils.java
src/core/org/apache/hadoop/security/UserGroupInformation.java
src/core/org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java
src/core/org/apache/hadoop/security/Credentials.java
src/core/org/apache/hadoop/fs/RawLocalFileSystem.java
src/core/org/apache/hadoop/util/ProcessTree.java
# General Utils - DU, DF, windows shell
src/core/org/apache/hadoop/fs/DU.java
src/core/org/apache/hadoop/fs/DUHelper.java
src/core/org/apache/hadoop/fs/DF.java
src/core/org/apache/hadoop/fs/FileUtil.java
src/core/org/apache/hadoop/util/Shell.java
# Interfacing with OS to make MR tasks
src/mapred/org/apache/hadoop/mapred/TaskController.java
src/mapred/org/apache/hadoop/mapred/Child.java
src/mapred/org/apache/hadoop/mapred/JvmManager.java
src/mapred/org/apache/hadoop/mapred/TaskRunner.java
src/mapred/org/apache/hadoop/mapred/TaskTracker.java
src/mapred/org/apache/hadoop/mapred/ReduceTask.java
src/mapred/org/apache/hadoop/mapred/TaskLog.java
src/mapred/org/apache/hadoop/mapred/DefaultTaskController.java
# Azure file system support
The azure patches will go here.
> Proposal for enhancements to Hadoop for Windows Server and Windows Azure
> development and runtime environments
> -------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-8079
> URL: https://issues.apache.org/jira/browse/HADOOP-8079
> Project: Hadoop Common
> Issue Type: Improvement
> Components: native
> Affects Versions: 1.0.0
> Reporter: Alexander Stojanovic
> Labels: hadoop
> Attachments: azurenative.zip, hadoop-8079.AzureBlobStore.patch,
> hadoop-8079.patch, microsoft-windowsazure-api-0.1.2.jar
>
> Original Estimate: 2,016h
> Remaining Estimate: 2,016h
>
> This JIRA is intended to capture discussion around proposed work to enhance
> Apache Hadoop to run well on Windows. Apache Hadoop has worked on Microsoft
> Windows since its inception, but Windows support has never been a priority.
> Currently Windows works as a development and testing platform for Hadoop, but
> Hadoop is not natively integrated, full-featured or performance and
> scalability tuned for Windows Server or Windows Azure. We would like to
> change this and engage in a dialog with the broader community on the
> architectural design points for making Windows (enterprise and cloud) an
> excellent runtime and deployment environment for Hadoop.
>
> The Isotope team at Microsoft (names below) has developed an Apache Hadoop
> 1.0 patch set that addresses these performance, integration and feature gaps,
> allowing Apache Hadoop to be used with Azure and Windows Server without
> recourse to virtualization technologies such as Cygwin. We have significant
> interest in the deployment of Hadoop across many multi-tenant, PaaS and IaaS
> environments - which bring their own unique requirements.
> Microsoft has recently completed a CCLA with Apache and would like to
> contribute these enhancements back to the Apache Hadoop community.
> In the interest of improving Apache Hadoop so that it runs more smoothly on
> all platforms, including Windows, we propose first contributing this work to
> the Apache community by attaching it to this JIRA. From there we would like
> to work with the community to refine the patch set until it is ready to be
> merged into the Apache trunk.
> Your feedback solicited,
>
> Alexander Stojanovic
> Min Wei
> David Lao
> Lengning Liu
> David Zhang
> Asad Khan
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