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https://issues.apache.org/jira/browse/HADOOP-3283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12591043#action_12591043
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dhruba borthakur commented on HADOOP-3283:
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Maybe we can call it InterDatanodeProtocol to make it more explicit.
> Need a mechanism for data nodes to update generation stamps.
> ------------------------------------------------------------
>
> Key: HADOOP-3283
> URL: https://issues.apache.org/jira/browse/HADOOP-3283
> Project: Hadoop Core
> Issue Type: New Feature
> Reporter: Tsz Wo (Nicholas), SZE
>
> For implementing file append feature (HADOOP-1700), a generation stamp is
> added to each block. We need a mechanism for data nodes to update generation
> stamps for lease recovery.
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