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https://issues.apache.org/jira/browse/HBASE-8039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14004836#comment-14004836
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Maryann Xue commented on HBASE-8039:
------------------------------------

This was meant for use cases that would like to set a smaller number of 
replications for those "less important but more consuming" column families. For 
example, large image files.
So I assume how to resolve this issue depends on how we evaluate such use cases.

> Make HDFS replication number configurable for a column family
> -------------------------------------------------------------
>
>                 Key: HBASE-8039
>                 URL: https://issues.apache.org/jira/browse/HBASE-8039
>             Project: HBase
>          Issue Type: Improvement
>          Components: HFile
>            Reporter: Maryann Xue
>            Priority: Minor
>             Fix For: 0.99.0, 0.98.4
>
>
> To allow users to decide which column family's data is more important and 
> which is less important by specifying a replica number instead of using the 
> default replica number.



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