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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (HADOOP-11664) Loading predefined EC schemas from configuration
Date Tue, 03 Mar 2015 00:48:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yi Liu moved HDFS-7371 to HADOOP-11664:
---------------------------------------

        Key: HADOOP-11664  (was: HDFS-7371)
    Project: Hadoop Common  (was: Hadoop HDFS)

> Loading predefined EC schemas from configuration
> ------------------------------------------------
>
>                 Key: HADOOP-11664
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11664
>             Project: Hadoop Common
>          Issue Type: Task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: HDFS-7371_v1.patch
>
>
> System administrator can configure multiple EC codecs in hdfs-site.xml file, and codec
instances or schemas in a new configuration file named ec-schema.xml in the conf folder. A
codec can be referenced by its instance or schema using the codec name, and a schema can be
utilized and specified by the schema name for a folder or EC ZONE to enforce EC. Once a schema
is used to define an EC ZONE, then its associated parameter values will be stored as xattributes
and respected thereafter.



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