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