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https://issues.apache.org/jira/browse/HDFS-592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755193#action_12755193
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Kan Zhang commented on HDFS-592:
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As I explained before, method name like getNewStampAndToken() is misleading in
the sense that it looks like it's a general method that any client can call to
get a token. Actually, it's not. Only a client who is doing pipeline recovery
(or already holding the lease) is supposed to use that method. It doesn't have
to be the only thing that the client does when doing a recovery. Having said
that, I'm open to other names that properly capture the context.
> 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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