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https://issues.apache.org/jira/browse/HDFS-7192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-7192:
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Attachment: HDFS-7192.03.patch
> DN should ignore lazyPersist hint if the writer is not local
> ------------------------------------------------------------
>
> Key: HDFS-7192
> URL: https://issues.apache.org/jira/browse/HDFS-7192
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Attachments: HDFS-7192.01.patch, HDFS-7192.02.patch,
> HDFS-7192.03.patch
>
>
> The DN should ignore {{allowLazyPersist}} hint to
> {{DataTransferProtocol#writeBlock}} if the writer is not local.
> Currently we don't restrict memory writes to local clients. For in-cluster
> clients this is not an issue as single replica writes default to the local
> DataNode. But clients outside the cluster can still send this hint.
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