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https://issues.apache.org/jira/browse/HDFS-592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755258#action_12755258
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Kan Zhang commented on HDFS-592:
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> I don't think any of the client method ever does this.
I think create(), append(), addBlock() all capture their context pretty well.
Although pipelineRecovery() is not perfect, it's still much better than
getNewStampAndToken() which doesn't tell any context at all.
> Allow client to get a new generation stamp from NameNode
> --------------------------------------------------------
>
> Key: HDFS-592
> URL: https://issues.apache.org/jira/browse/HDFS-592
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: Append Branch
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: Append Branch
>
> Attachments: newGS.patch, newGS1.patch
>
>
> This issue aims to add an API to ClientProtocol that fetches a new
> generation stamp and an access token from NameNode to support append or
> pipeline recovery.
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