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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8499) Refactor BlockInfo class hierarchy with static helper class
Date Thu, 23 Jul 2015 22:08:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14639592#comment-14639592
] 

Tsz Wo Nicholas Sze commented on HDFS-8499:
-------------------------------------------

Do you agree that Design #2 does not break trunk as you described previously?  Please answer
this question.

> ...  I wonder if you've had a chance to look at the above comment?

In your comment, you try to force both UC implementations to be the same.  But we do want
the flexibility to have different implementation.

> Refactor BlockInfo class hierarchy with static helper class
> -----------------------------------------------------------
>
>                 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
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8499.00.patch, HDFS-8499.01.patch, HDFS-8499.02.patch, HDFS-8499.03.patch,
HDFS-8499.04.patch, HDFS-8499.05.patch, HDFS-8499.06.patch, HDFS-8499.07.patch, HDFS-8499.UCFeature.patch,
HDFS-bistriped.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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