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https://issues.apache.org/jira/browse/HADOOP-9688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13702327#comment-13702327
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Suresh Srinivas commented on HADOOP-9688:
-----------------------------------------
Some additional discussion about random UUID:
http://stackoverflow.com/questions/2513573/how-good-is-javas-uuid-randomuuid
http://en.wikipedia.org/wiki/Universally_unique_identifier#Random_UUID_probability_of_duplicates
> Add globally unique Client ID to RPC requests
> ---------------------------------------------
>
> Key: HADOOP-9688
> URL: https://issues.apache.org/jira/browse/HADOOP-9688
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 3.0.0
>
> Attachments: HADOOP-9688.clientId.1.patch,
> HADOOP-9688.clientId.patch, HADOOP-9688.patch
>
>
> This is a subtask in hadoop-common related to HDFS-4942 to add unique request
> ID to RPC requests.
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