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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8062) Remove hard-coded values in favor of EC schema
Date Fri, 24 Apr 2015 21:26:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14511782#comment-14511782
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Zhe Zhang commented on HDFS-8062:
---------------------------------

Thanks Kai for the patch and Kai for the review :)

Can we also combine {{ECSchema#DEFAULT_CHUNK_SIZE}} and {{HdfsConstants#BLOCK_STRIPED_CELL_SIZE}}?

> Remove hard-coded values in favor of EC schema
> ----------------------------------------------
>
>                 Key: HDFS-8062
>                 URL: https://issues.apache.org/jira/browse/HDFS-8062
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Sasaki
>         Attachments: HDFS-8062.1.patch, HDFS-8062.2.patch, HDFS-8062.3.patch, HDFS-8062.4.patch
>
>
> Related issues about EC schema in NameNode side:
> HDFS-7859 is to change fsimage and editlog in NameNode to persist EC schemas;
> HDFS-7866 is to manage EC schemas in NameNode, loading, syncing between persisted ones
in image and predefined ones in XML.
> This is to revisit all the places in NameNode that uses hard-coded values in favor of
{{ECSchema}}.



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