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https://issues.apache.org/jira/browse/HDFS-8937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14712025#comment-14712025
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Zhe Zhang commented on HDFS-8937:
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Thanks [~demongaorui] for reporting the issue. We will probably support
striping + replication in the future (striped layout, multiple replicas for
each internal block). Or even striping + EC + replication (striped layout,
store both data and parity internal blocks, and multiple replica for
data/parity internal blocks). So that's not a permanent no-op like setting
replication on a directory. Based on that, I think we should still throw an
exception now indicating that it's not yet supported.
> Fix the exception when set replication to Erasure Coding files
> --------------------------------------------------------------
>
> Key: HDFS-8937
> URL: https://issues.apache.org/jira/browse/HDFS-8937
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: GAO Rui
> Assignee: GAO Rui
>
> Setting replication to an EC file caused exception. We should simply ignore
> the request, just like what we're currently doing for a setReplication
> request against a directory.
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