[jira] [Updated] (HDFS-5157) Add StorageType to FsVolume

["Junping Du (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-5157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Junping Du updated HDFS-5157:
-----------------------------

    Description: To support heterogeneous storage, Datanode should aware (and manage later) different storage types of each volume.  (was: Datanode should allow should choosing a target Storage or target Storage Type as a parameter when creating a new block. Currently there are two ways in which the target volume is chosen (via {{VolumeChoosingPolicy#chooseVolume}}.
# AvailableSpaceVolumeChoosingPolicy
# RoundRobinVolumeChoosingPolicy

BlockReceiver and receiveBlock should also accept a new parameter for target storage or storage type.)
        Summary: Add StorageType to FsVolume  (was: Datanode should allow choosing the target storage)
    
> Add StorageType to FsVolume
> ---------------------------
>
>                 Key: HDFS-5157
>                 URL: https://issues.apache.org/jira/browse/HDFS-5157
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: Heterogeneous Storage (HDFS-2832)
>            Reporter: Arpit Agarwal
>            Assignee: Junping Du
>         Attachments: HDFS-5157-v1.patch, HDFS-5157-v2.patch, HDFS-5157-v3.patch
>
>
> To support heterogeneous storage, Datanode should aware (and manage later) different storage types of each volume.

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