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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5134) NameNode improvements to per-storage block processing
Date Sun, 08 Sep 2013 22:54:51 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE resolved HDFS-5134.
------------------------------------------

       Resolution: Fixed
    Fix Version/s: Heterogeneous Storage (HDFS-2832)
     Hadoop Flags: Reviewed

I have committed this.  Thanks, Arpit!
                
> NameNode improvements to per-storage block processing
> -----------------------------------------------------
>
>                 Key: HDFS-5134
>                 URL: https://issues.apache.org/jira/browse/HDFS-5134
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: Heterogeneous Storage (HDFS-2832)
>            Reporter: Arpit Agarwal
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: Heterogeneous Storage (HDFS-2832)
>
>         Attachments: h5134_20130905.patch, h5134_20130906.patch
>
>
> Few tasks out of the NameNode change for multiple storage (HDFS-4987):
> # {{blockContentsStale}} should be per storage.
> # {{DatanodeDescriptor#firstBlockReport}} should also be per storage.
> # {{BlockManager#processReport}} can call {{processFirstBlockReport}} per storage now.
> # Synchronization for {{DatanodeDescriptor#numBlocks}} (mentioned by Nicholas in 4987).

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