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https://issues.apache.org/jira/browse/HDFS-9282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated HDFS-9282:
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Component/s: (was: HDFS)
> Make data directory count and storage raw capacity related tests
> FsDataset-agnostic
> -----------------------------------------------------------------------------------
>
> Key: HDFS-9282
> URL: https://issues.apache.org/jira/browse/HDFS-9282
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: test
> Affects Versions: 2.7.1
> Reporter: Tony Wu
> Assignee: Tony Wu
> Priority: Minor
> Fix For: 3.0.0, 2.8.0
>
> Attachments: HDFS-9282.001.patch, HDFS-9282.002.patch,
> HDFS-9282.003.patch, HDFS-9282.004.patch
>
>
> DFSMiniCluster and several tests have hard coded assumption of the underlying
> storage having 2 data directories (volumes). As HDFS-9188 pointed out, with
> new FsDataset implementations, these hard coded assumption about number of
> data directories and raw capacities of storage may change as well.
> We need to extend FsDatasetTestUtils to provide:
> * Number of data directories of underlying storage per DataNode
> * Raw storage capacity of underlying storage per DataNode.
> * Have MiniDFSCluster automatically pick up the correct values.
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