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https://issues.apache.org/jira/browse/HDFS-1291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmytro Molkov updated HDFS-1291:
--------------------------------

    Attachment: HDFS-1291.patch

Posting a patch for review.
It might still need some polishing, but seems like all tests run fine and it 
has all the changes needed.

Let me know what you think.

> Delay start of client RPC server until out of safemode
> ------------------------------------------------------
>
>                 Key: HDFS-1291
>                 URL: https://issues.apache.org/jira/browse/HDFS-1291
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Dmytro Molkov
>            Assignee: Dmytro Molkov
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1291.patch
>
>
> With HDFS-599 in I want to do the second part of improvement - the client 
> serving RPC server should only start once the namenode is out of safemode. 
> This shields namenode from client requests while doing block processing and 
> results in better performance during restart times.

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