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https://issues.apache.org/jira/browse/HDFS-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15202394#comment-15202394
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Zhe Zhang commented on HDFS-9809:
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Thanks [~virajith] for the work. The overall idea sounds good.
I wonder if this work is only useful in the context of HDFS-9806? If so:
# I guess we should make it a subtask
# We probably need a HDFS-9806 design to assess some implementation details here
If the scope is beyond HDFS-9806, could you explain what other {{ReplicaInfo}}
types will be added besides {{LocalReplica}}?
> Abstract implementation-specific details from the datanode
> ----------------------------------------------------------
>
> Key: HDFS-9809
> URL: https://issues.apache.org/jira/browse/HDFS-9809
> Project: Hadoop HDFS
> Issue Type: Task
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Attachments: HDFS-9809.001.patch
>
>
> Multiple parts of the Datanode (FsVolumeSpi, ReplicaInfo, FSVolumeImpl etc.)
> implicitly assume that blocks are stored in java.io.File(s) and that volumes
> are divided into directories. We propose to abstract these details, which
> would help in supporting other storages.
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