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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:
----------------------------
Fix Version/s: (was: 2.3.0)
2.1.1-beta
Release Note: Used for testing when NameNode HA is enabled. Users can use
a new configuration property "dfs.client.test.drop.namenode.response.number" to
specify the number of responses that DFSClient will drop in each RPC call. This
feature can help testing functionalities such as 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
> Fix For: 2.1.1-beta
>
> Attachments: HDFS-5118.000.patch, HDFS-5118.001.patch,
> HDFS-5118.002.patch, HDFS-5118.003.patch, HDFS-5118.004.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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