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https://issues.apache.org/jira/browse/HDFS-6991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal resolved HDFS-6991.
---------------------------------
Resolution: Fixed
Fix Version/s: HDFS-6581
Hadoop Flags: Reviewed
Thanks for the reviews [~xyao] and [~jnp]! I committed it to the feature branch.
> Notify NN of evicted block before deleting it from RAM disk
> -----------------------------------------------------------
>
> Key: HDFS-6991
> URL: https://issues.apache.org/jira/browse/HDFS-6991
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: HDFS-6581
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: HDFS-6581
>
> Attachments: HDFS-6991.01.patch, HDFS-6991.02.patch,
> HDFS-6991.03.patch
>
>
> Couple of bug fixes required around eviction:
> # When evicting a block from RAM disk to persistent storage, the DN should
> schedule an incremental block report for a 'received' replica on persistent
> storage.
> # {{BlockManager.processReportedBlock}} needs a fix to correctly update the
> storage ID to reflect the block moving from RAM_DISK to DISK.
> Found by [~xyao] via HDFS-6950.
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