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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-8059) Erasure coding: revisit how to store EC schema and cellSize in NameNode
Date Fri, 16 Oct 2015 08:05:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yi Liu resolved HDFS-8059.
--------------------------
    Resolution: Duplicate

> Erasure coding: revisit how to store EC schema and cellSize in NameNode
> -----------------------------------------------------------------------
>
>                 Key: HDFS-8059
>                 URL: https://issues.apache.org/jira/browse/HDFS-8059
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>         Attachments: HDFS-8059.001.patch
>
>
> Move {{dataBlockNum}} and {{parityBlockNum}} from BlockInfoStriped to INodeFile, and
store them in {{FileWithStripedBlocksFeature}}.
> Ideally these two nums are the same for all striped blocks in a file, and store them
in BlockInfoStriped will waste NN memory.



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