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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5118) Provide testing support for DFSClient to drop RPC responses
Date Thu, 05 Sep 2013 23:12:53 GMT

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

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

    Attachment: HDFS-5118.003.patch

Update the patch: for the delay time during retry and max retry times, load the values from
configuration instead of directly using the default values.
                
> 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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