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https://issues.apache.org/jira/browse/HDDS-48?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bharat Viswanadham updated HDDS-48:
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Summary: ContainerIO - Storage Management (was: Integrate Volumeset,
ContainerSet.)
> ContainerIO - Storage Management
> --------------------------------
>
> Key: HDDS-48
> URL: https://issues.apache.org/jira/browse/HDDS-48
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Priority: Major
> Fix For: 0.2.1
>
> Attachments: ContainerIO-StorageManagement-DesignDoc.pdf, HDDS
> DataNode Disk Layout.pdf
>
>
> We propose refactoring the HDDS DataNode IO path to enforce clean separation
> between the Container management and the Storage layers. All components
> requiring access to HDDS containers on a Datanode should do so via this
> Storage layer.
> The proposed Storage layer would be responsible for end-to-end disk and
> volume management. This involves running disk checks and detecting disk
> failures, distributing data across disks as per the configured policy,
> collecting performance statistics and verifying the integrity of the data.
> Attached Design Doc gives an overview of the proposed class diagram.
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