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https://issues.apache.org/jira/browse/MAPREDUCE-1338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799112#action_12799112
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Devaraj Das commented on MAPREDUCE-1338:
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Some comments after a quick look:
1) The json parser should be used from the jackson one
2) The loading of tokens in the child should happen more or less in the same 
way as it happens in the trunk (reading the filename via an env var, etc.)
3) The user API can be simplified. I would prefer something like 
TokenCache.getSecretKey(alias) rather than 
TokenCache.getTokenStorage(jobId).getSecretKey(alias)..

> need security keys storage solution
> -----------------------------------
>
>                 Key: MAPREDUCE-1338
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1338
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Boris Shkolnik
>            Assignee: Boris Shkolnik
>         Attachments: HADOOP-6325.patch, MAPREDUCE-1338-2.patch, 
> MAPREDUCE-1338.patch
>
>
> set, get, store, load security keys
> key alias - byte[]
> key value - byte[]
> store/load from DataInput/Output stream

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