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https://issues.apache.org/jira/browse/HDFS-12905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Virajith Jalaparti updated HDFS-12905:
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    Attachment: HDFS-12905-HDFS-9806.002.patch

> [READ] Handle decommissioning and under-maintenance Datanodes with Provided 
> storage.
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-12905
>                 URL: https://issues.apache.org/jira/browse/HDFS-12905
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Virajith Jalaparti
>            Assignee: Virajith Jalaparti
>         Attachments: HDFS-12905-HDFS-9806.001.patch, 
> HDFS-12905-HDFS-9806.002.patch
>
>
> {{ProvidedStorageMap}} doesn't keep track of the state of the datanodes with 
> Provided storage. As a result, it can return nodes that are being 
> decommissioned or under-maintenance even when live datanodes exist. This JIRA 
> is to prefer live datanodes to datanodes in other states.



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