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Posted to hdfs-dev@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/08/18 20:10:46 UTC

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

Zhe Zhang created HDFS-8918:
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             Summary: 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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