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https://issues.apache.org/jira/browse/HDFS-5118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-5118:
----------------------------

    Attachment: HDFS-5118.003.patch
    
> Provide testing support for DFSClient to drop RPC responses
> -----------------------------------------------------------
>
>                 Key: HDFS-5118
>                 URL: https://issues.apache.org/jira/browse/HDFS-5118
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 3.0.0
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-5118.000.patch, HDFS-5118.001.patch, 
> HDFS-5118.002.patch, HDFS-5118.003.patch
>
>
> We plan to add capability to DFSClient so that the client is able to 
> intentionally drop responses of NameNode RPC calls according to settings in 
> configuration. In this way we can do better system test for NameNode retry 
> cache, especially when NN failover happens.

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