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https://issues.apache.org/jira/browse/HDFS-7371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kai Zheng updated HDFS-7371:
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Description: 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 respectived thereafter. (was: 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 to enforce EC.)
> Loading predefined EC schemas from configuration
> ------------------------------------------------
>
> Key: HDFS-7371
> URL: https://issues.apache.org/jira/browse/HDFS-7371
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Kai Zheng
>
> 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 respectived thereafter.
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