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https://issues.apache.org/jira/browse/HDFS-2887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-2887:
-----------------------------------------
Release Note: FSVolume, is a part of FSDatasetInterface implementation,
should not be referred outside FSDataset. A new FSVolumeInterface is defined.
The BlockVolumeChoosingPolicy.chooseVolume(..) method signature is also updated.
> Define a FSVolume interface
> ---------------------------
>
> Key: HDFS-2887
> URL: https://issues.apache.org/jira/browse/HDFS-2887
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.23.2
>
> Attachments: h2887_20120203.patch, h2887_20120207.patch
>
>
> FSVolume is an inner class in FSDataset. It is actually a part of the
> implementation of FSDatasetInterface. It is better to define a new
> interface, namely FSVolumeInterface, to capture the abstraction.
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