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https://issues.apache.org/jira/browse/HDFS-15024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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huhaiyang updated HDFS-15024:
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Attachment: (was: client_error.log)
> [SBN read] In FailoverOnNetworkExceptionRetry , Number of NameNodes as a
> condition of calculation of sleep time
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-15024
> URL: https://issues.apache.org/jira/browse/HDFS-15024
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.10.0, 3.3.0, 3.2.1
> Reporter: huhaiyang
> Priority: Major
> Attachments: HDFS-15024.001.patch, client_error.log
>
>
> {code:java}
> When we enable the ONN , there will be three NN nodes for the client
> configuration,
> Such as configuration
> <property>
> <name>dfs.ha.namenodes.ns1</name>
> <value>nn2,nn3,nn1</value>
> </property>
> Currently,
> nn2 is in standby state
> nn3 is in observer state
> nn1 is in active state
> When the user performs an access HDFS operation
> ./bin/hadoop --loglevel debug fs
> -Ddfs.client.failover.proxy.provider.ns1=org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider
> -ls /user/haiyang1/
> {code}
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