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https://issues.apache.org/jira/browse/HDFS-898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12803092#action_12803092
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dhruba borthakur commented on HDFS-898:
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Thanks Konstantin for the explanation. I understand the scenario much better
now.
My view is that we do not need to solve either of the problems (1) or (2) that
you have listed below. Is it not? Is there a use case for (1)?
> Sequential generation of block ids
> ----------------------------------
>
> Key: HDFS-898
> URL: https://issues.apache.org/jira/browse/HDFS-898
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.20.1
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Fix For: 0.22.0
>
>
> This is a proposal to replace random generation of block ids with a
> sequential generator in order to avoid block id reuse in the future.
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