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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8801) Convert BlockInfoUnderConstruction as a feature
Date Mon, 17 Aug 2015 18:29:45 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haohui Mai updated HDFS-8801:
-----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 2.8.0
           Status: Resolved  (was: Patch Available)

I've committed the patch to trunk and branch-2. Thanks [~jingzhao] for the contribution.

> Convert BlockInfoUnderConstruction as a feature
> -----------------------------------------------
>
>                 Key: HDFS-8801
>                 URL: https://issues.apache.org/jira/browse/HDFS-8801
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Zhe Zhang
>            Assignee: Jing Zhao
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8801.000.patch
>
>
> Per discussion under HDFS-8499, with the erasure coding feature, there will be 4 types
of {{BlockInfo}} forming a multi-inheritance: {{complete+contiguous}}, {{complete+striping}},
{{UC+contiguous}}, {{UC+striped}}. We had the same challenge with {{INodeFile}} and the solution
was building feature classes like {{FileUnderConstructionFeature}}. This JIRA aims to implement
the same idea on {{BlockInfo}}. 



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