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https://issues.apache.org/jira/browse/HDFS-827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-827:
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Attachment: hdfs-827.txt
Found this patch from long ago. This adds a set of unit tests for FSDataset
(runs in about a second).
There are a number of things I found suspicious in this test, marked with XXX.
It's worth looking into these to see if they represent bugs.
> Additional unit tests for FSDataset
> -----------------------------------
>
> Key: HDFS-827
> URL: https://issues.apache.org/jira/browse/HDFS-827
> Project: Hadoop HDFS
> Issue Type: Test
> Components: data-node, test
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hdfs-827.txt
>
>
> FSDataset doesn't currently have a unit-test that tests it in isolation of
> the DN or a cluster. A test specifically for this class will be helpful for
> developing HDFS-788
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