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https://issues.apache.org/jira/browse/HDFS-10431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaobing Zhou updated HDFS-10431:
---------------------------------
    Summary: Refactor Async DFS related tests to reuse shared instance of 
AsyncDistributedFileSystem instance to speed up tests  (was: Refactor Async DFS 
related tests to reuse shared AsyncDistributedFileSystem instance to speed up 
tests)

> Refactor Async DFS related tests to reuse shared instance of 
> AsyncDistributedFileSystem instance to speed up tests
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-10431
>                 URL: https://issues.apache.org/jira/browse/HDFS-10431
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Xiaobing Zhou
>
> Limit of max async calls(i.e. ipc.client.async.calls.max) is set and cached 
> in ipc.Client. Client instances are cached based on SocketFactory. In order 
> to test different cases in various limits, every test creates separate 
> instance of MiniDFSCluster and that of AsyncDistributedFileSystem hence. This 
> is not efficient in that tests may take long time to bootstrap 
> MiniDFSClusters. This proposes to do refactoring to use shared 
> AsyncDistributedFileSystem



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