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https://issues.apache.org/jira/browse/HDFS-2335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13169568#comment-13169568
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Uma Maheswara Rao G commented on HDFS-2335:
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Updated the patch based on trunk!
Moved SecureRandom number obj creation to DFSUtil and used in all the places
like random number.
> 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
> Reporter: Eli Collins
> Attachments: 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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