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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5134) NameNode improvements to per-storage block processing
Date Tue, 27 Aug 2013 18:48:53 GMT

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

Arpit Agarwal updated HDFS-5134:
--------------------------------

    Description: 
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}}.


  was:
Few tasks out of the NameNode change for multiple storage (HDFS-4987):

# {{blockContentsStale}} should be per storage.
# {{DatanodeDescriptor#firstBlockReport}} should also be per storage.
# {{DatanodeDescriptor#firstBlockReport}} should also be per storage. 
# {{BlockManager#processReport}} can call {{processFirstBlockReport}} per storage now.
# Synchronization for {{DatanodeDescriptor#numBlocks}}.


    
> 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
>
> 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}}.

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