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https://issues.apache.org/jira/browse/HDDS-475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16616854#comment-16616854
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Xiaoyu Yao commented on HDDS-475:
---------------------------------

Does this happen in a tight loop? The localID generation based on UTC timestamp 
(line 335) may end up with the same timestamp if all allocation happen in a 
short burst. 

> Block Allocation returns same BlockID on different keys creation
> ----------------------------------------------------------------
>
>                 Key: HDDS-475
>                 URL: https://issues.apache.org/jira/browse/HDDS-475
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>            Reporter: Lokesh Jain
>            Assignee: Lokesh Jain
>            Priority: Blocker
>
> BlockManagerImpl#allocateBlock returns same BlockID. This leads to different 
> key creations getting the same blockId.



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