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https://issues.apache.org/jira/browse/HDFS-13767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16559149#comment-16559149
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Konstantin Shvachko commented on HDFS-13767:
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I like the approach. Don't think preserving the ordering is needed. Seems you
need to put some more work to complete this.
May be changing {{receiveRequestState(header)}} to return {{clientStateId}}, so
that you could pass it into {{RpcCall}}, which is then retrieved in
{{Handler.run()}} to verify if the SBN already caught up. BTW you can also
incorporate the {{AC.isAlwaysRecent()}} logic inside {{receiveRequestState()}}
instead of adding new method.
> Add msync server implementation.
> --------------------------------
>
> Key: HDFS-13767
> URL: https://issues.apache.org/jira/browse/HDFS-13767
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Chen Liang
> Assignee: Chen Liang
> Priority: Major
> Attachments: HDFS-13767.WIP.001.patch, HDFS-13767.WIP.002.patch
>
>
> This is a followup on HDFS-13688, where msync API is introduced to
> {{ClientProtocol}} but the server side implementation is missing. This is
> Jira is to implement the server side logic.
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