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Posted to common-issues@hadoop.apache.org by "Yi Liu (JIRA)" <ji...@apache.org> on 2015/03/03 01:48:58 UTC

[jira] [Updated] (HADOOP-11664) Loading predefined EC schemas from configuration

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

Yi Liu updated HADOOP-11664:
----------------------------
    Issue Type: Sub-task  (was: Task)
        Parent: HADOOP-11264

> Loading predefined EC schemas from configuration
> ------------------------------------------------
>
>                 Key: HADOOP-11664
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11664
>             Project: Hadoop Common
>          Issue Type: Sub-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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