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https://issues.apache.org/jira/browse/PIG-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15760805#comment-15760805
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Adam Szita commented on PIG-4923:
---------------------------------

Thanks [~rohini], I've addressed the latest comment and fixed some smaller 
issues. New patch is: [^PIG-4923.5.patch]
As for SVN commands I'm not entirely sure if this is what's needed, but hope it 
helps (it is based on the latest git diff patch):
{code}
svn add ivy/ant-contrib-1.0b3.jar
svn add 
shims/src/hadoop2/org/apache/pig/backend/hadoop/executionengine/shims/HadoopShims.java
svn rm shims/src/hadoop20/org/apache/pig/backend/hadoop/PigATSClient.java
svn rm 
shims/src/hadoop20/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigMapBase.java
svn rm 
shims/src/hadoop20/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigMapReduce.java
svn rm 
shims/src/hadoop20/org/apache/pig/backend/hadoop/executionengine/shims/HadoopShims.java
svn rm shims/src/hadoop20/org/apache/pig/backend/hadoop20/PigJobControl.java
svn rm shims/src/hadoop23/org/apache/hadoop/mapred/DowngradeHelper.java
svn rm 
shims/src/hadoop23/org/apache/pig/backend/hadoop/executionengine/shims/HadoopShims.java
svn mv test/excluded-tests-23 shims/test/hadoop2/.gitignore
svn rm shims/test/hadoop20/org/apache/pig/test/MiniCluster.java
svn rm shims/test/hadoop20/org/apache/pig/test/TezMiniCluster.java
svn mv shims/src/hadoop23/org/apache/pig/backend/hadoop/PigATSClient.java 
src/org/apache/pig/backend/hadoop/PigATSClient.java
svn mv 
shims/src/hadoop23/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigMapBase.java
 
src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigMapBase.java
svn mv 
shims/src/hadoop23/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigMapReduce.java
 
src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigMapReduce.java
svn rm test/excluded-tests-20
svn mv shims/test/hadoop23/org/apache/pig/test/MiniCluster.java 
test/org/apache/pig/test/MiniCluster.java
svn mv shims/test/hadoop23/org/apache/pig/test/TezMiniCluster.java 
test/org/apache/pig/test/TezMiniCluster.java
{code}

> Drop Hadoop 1.x support in Pig 0.17
> -----------------------------------
>
>                 Key: PIG-4923
>                 URL: https://issues.apache.org/jira/browse/PIG-4923
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Daniel Dai
>            Assignee: Adam Szita
>             Fix For: 0.17.0
>
>         Attachments: PIG-4923.1.patch, PIG-4923.2.IncrementalHadoop3.patch, 
> PIG-4923.2.patch, PIG-4923.3.patch, PIG-4923.4.patch, PIG-4923.5.patch, 
> ant-contrib-1.0b3.jar
>
>
> To facilitate the future development, we want to get rid of the legacy Hadoop 
> 1.x support and reduce the code complexity.



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