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Posted to hdfs-dev@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/07/21 19:24:04 UTC

[jira] [Created] (HDFS-8801) Convert BlockInfoUnderConstruction as a feature

Zhe Zhang created HDFS-8801:
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             Summary: 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
    Affects Versions: 2.7.1
            Reporter: Zhe Zhang


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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