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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6269) improve JobConf to add option to not share Credentials between jobs.
Date Fri, 08 May 2015 21:09:01 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535534#comment-14535534

Thomas Graves commented on MAPREDUCE-6269:

If no one has a better idea perhaps we call it copyCredentials and then in java doc explain
that it makes a copy of the credentials from JobConf passed in rather then referencing them

> improve JobConf to add option to not share 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
> 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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