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https://issues.apache.org/jira/browse/HDFS-5662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13852241#comment-13852241
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Brandon Li commented on HDFS-5662:
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I've committed the patch. Thank you, Arpit, for reviewing it.
> Can't decommission a DataNode due to file's replication factor larger than
> the rest of the cluster size
> -------------------------------------------------------------------------------------------------------
>
> Key: HDFS-5662
> URL: https://issues.apache.org/jira/browse/HDFS-5662
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Brandon Li
> Assignee: Brandon Li
> Attachments: HDFS-5662.001.patch, HDFS-5662.002.patch
>
>
> A datanode can't be decommissioned if it has replica that belongs to a file
> with a replication factor larger than the rest of the cluster size.
> One way to fix this is to have some kind of minimum replication factor
> setting and thus any datanode can be decommissioned regardless of the largest
> replication factor it's related to.
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