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https://issues.apache.org/jira/browse/HDFS-2335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171915#comment-13171915
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Eli Collins commented on HDFS-2335:
-----------------------------------

+1
                
> DataNodeCluster and NNStorage always pull fresh entropy
> -------------------------------------------------------
>
>                 Key: HDFS-2335
>                 URL: https://issues.apache.org/jira/browse/HDFS-2335
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, name-node
>    Affects Versions: 0.23.0, 0.24.0, 1.0.0
>            Reporter: Eli Collins
>            Assignee: Uma Maheswara Rao G
>         Attachments: HDFS-2335.patch, HDFS-2335.patch
>
>
> Jira for giving DataNodeCluster and NNStorage the same treatment as 
> HDFS-1835. They're not truly cryptographic uses as well. We should also 
> factor this out to a utility method, seems like the three uses are slightly 
> different, eg one uses DFSUtil.getRandom and the other creates a new Random 
> object.

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