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Posted to hdfs-issues@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2013/09/05 23:37:52 UTC

[jira] [Updated] (HDFS-5118) Provide testing support for DFSClient to drop RPC responses

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

Jing Zhao updated HDFS-5118:
----------------------------

    Summary: Provide testing support for DFSClient to drop RPC responses  (was: Extend LoadGenerator for testing NameNode retry cache)
    
> 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
>
>
> We plan to extend the current LoadGenerator 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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