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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-9809) Abstract implementation-specific details from the datanode
Date Wed, 29 Mar 2017 17:45:42 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas resolved HDFS-9809.
---------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha2

> 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
>          Components: datanode, fs
>            Reporter: Virajith Jalaparti
>            Assignee: Virajith Jalaparti
>             Fix For: 3.0.0-alpha2
>
>         Attachments: DFSIO_benchmark_HDFS-9809.docx, HDFS-9809.001.patch, HDFS-9809.002.patch,
HDFS-9809.003.patch, HDFS-9809.004.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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