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https://issues.apache.org/jira/browse/HDFS-11075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15627659#comment-15627659
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Takanobu Asanuma commented on HDFS-11075:
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[~Sammi]
Thanks for creating this jira. It may duplicate of HDFS-7717.
[~demongaorui], could you check it?
> Provide a tool to help covert existing file of default 3x replication to EC
> striped layout
> ------------------------------------------------------------------------------------------
>
> Key: HDFS-11075
> URL: https://issues.apache.org/jira/browse/HDFS-11075
> Project: Hadoop HDFS
> Issue Type: Task
> Reporter: SammiChen
> Assignee: SammiChen
>
> Set erasure coding policy to an existing 3x replication file, or change the
> current existing erasure coding policy of an existing file to another erasure
> coding policy will force the file to been transformed from one redundancy
> layout into another one. The converting usually will be time consuming. This
> task is to provide a new tool or improve an existing tool to facilitate the
> HDFS administrator to smooth this converting process.
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