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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7743) Code cleanup of BlockInfo and rename BlockInfo to BlockReplicationInfo
Date Fri, 06 Feb 2015 21:47:37 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jing Zhao updated HDFS-7743:
    Attachment: HDFS-7743.001.patch

[~zhz] [suggested|https://issues.apache.org/jira/browse/HDFS-7716?focusedCommentId=14309739&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14309739]
we name the new class as {{BlockInfoContiguous}}. I think this is a better name. Update the
patch. The patch also removes the tabs to address Nicholas's comments.

> Code cleanup of BlockInfo and rename BlockInfo to BlockReplicationInfo
> ----------------------------------------------------------------------
>                 Key: HDFS-7743
>                 URL: https://issues.apache.org/jira/browse/HDFS-7743
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>            Priority: Minor
>         Attachments: HDFS-7743.000.patch, HDFS-7743.001.patch
> In the work of erasure coding (HDFS-7285), we plan to extend the class BlockInfo to two
subclasses: BlockReplicationInfo and BlockGroupInfo (HDFS-7716). To ease the HDFS-EC branch
syncing with trunk, this jira plans to rename the current BlockInfo to BlockReplicationInfo
in trunk.
> In the meanwhile, we can also use this chance to do some minor code cleanup. E.g., removing
unnecessary overrided {{hashCode}} and {{equals}} methods since they are just the same with
the super class {{Block}}.

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