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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8499) Merge BlockInfoUnderConstruction into trunk
Date Thu, 04 Jun 2015 02:33:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572001#comment-14572001
] 

Yi Liu commented on HDFS-8499:
------------------------------

Thanks Zhe for the work, the interfaces/classes hierarchy looks good overall.

In {{BlockInfoUnderConstruction}}, we can implement {{addStorage/removeStorage/numNodes/replaceBlock}},
no need to push them to subclass.

In {{BlockInfo}}, {{convertToBlockUnderConstruction}} should be abstract, and  continuous/striped
block implement it.


> Merge BlockInfoUnderConstruction into trunk
> -------------------------------------------
>
>                 Key: HDFS-8499
>                 URL: https://issues.apache.org/jira/browse/HDFS-8499
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: 2.7.0
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HDFS-8499.00.patch
>
>
> In HDFS-7285 branch, the {{BlockInfoUnderConstruction}} interface provides a common abstraction
for striped and contiguous UC blocks. This JIRA aims to merge it to trunk.



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