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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8835) Convert BlockInfoUnderConstruction as an interface
Date Thu, 30 Jul 2015 19:22:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648157#comment-14648157
] 

Tsz Wo Nicholas Sze commented on HDFS-8835:
-------------------------------------------

> ..., which are not directly related to EC. Pushing those changes to trunk separately
will make ease merge reviewing. ...

It probably won't help much since people also need to review the patch committed to trunk.
 Patches got committed to trunk neither means that everyone already has understood the code,
nor that the patches make the code simpler and easier.    Quite a few people told me that
the recent change of HDFS-8487 does make the code harder to understand.  It makes the familiar
code unfamiliar.

> Convert BlockInfoUnderConstruction as an interface
> --------------------------------------------------
>
>                 Key: HDFS-8835
>                 URL: https://issues.apache.org/jira/browse/HDFS-8835
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.7.1
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>
> Per discussion under HDFS-8499, this JIRA aims to convert {{BlockInfoUnderConstruction}}
as an interface and {{BlockInfoContiguousUnderConstruction}} as its implementation. The HDFS-7285
branch will add {{BlockInfoStripedUnderConstruction}} as another implementation.



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