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Posted to hdfs-dev@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/08/20 00:30:46 UTC

[jira] [Resolved] (HDFS-8918) Convert BlockUnderConstructionFeature#replicas form list to array

     [ https://issues.apache.org/jira/browse/HDFS-8918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhe Zhang resolved HDFS-8918.
-----------------------------
    Resolution: Duplicate

> Convert BlockUnderConstructionFeature#replicas form list to array
> -----------------------------------------------------------------
>
>                 Key: HDFS-8918
>                 URL: https://issues.apache.org/jira/browse/HDFS-8918
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.8.0
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>
> {{BlockInfoUnderConstruction}} / {{BlockUnderConstructionFeature}} uses a List to store its {{replicas}}. To reduce memory usage, we can use an array instead.



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