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https://issues.apache.org/jira/browse/MAPREDUCE-6269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536771#comment-14536771
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zhihai xu commented on MAPREDUCE-6269:
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The following checkstyle issue is the file JobConf.java too big. It is already
more than 2,000 before my change.
{code}
./hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobConf.java:1:
File length is 2,164 lines (max allowed is 2,000).
{code}
> improve JobConf to add option to not reference same credentials between jobs.
> -----------------------------------------------------------------------------
>
> Key: MAPREDUCE-6269
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6269
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: client
> Reporter: zhihai xu
> Assignee: zhihai xu
> Labels: BB2015-05-RFC
> Attachments: MAPREDUCE-6269.000.patch, MAPREDUCE-6269.001.patch
>
>
> Improve JobConf to add constructor to avoid sharing Credentials between jobs.
> By default the Credentials will be shared to keep the backward compatibility.
> We can add a new constructor with a new parameter to decide whether to share
> Credentials. Some issues reported in cascading is due to corrupted credentials
> at
> https://github.com/Cascading/cascading/commit/45b33bb864172486ac43782a4d13329312d01c0e
> If we add this support in JobConf, it will benefit all job clients.
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