[jira] [Updated] (HDFS-5122) Support failover and retry in WebHdfsFileSystem for NN HA

["Jing Zhao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-5122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jing Zhao updated HDFS-5122:
----------------------------

    Summary: Support failover and retry in WebHdfsFileSystem for NN HA  (was: WebHDFS should support logical service names in URIs)
    
> Support failover and retry in WebHdfsFileSystem for NN HA
> ---------------------------------------------------------
>
>                 Key: HDFS-5122
>                 URL: https://issues.apache.org/jira/browse/HDFS-5122
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, webhdfs
>    Affects Versions: 2.1.0-beta
>            Reporter: Arpit Gupta
>            Assignee: Haohui Mai
>         Attachments: HDFS-5122.001.patch, HDFS-5122.002.patch, HDFS-5122.003.patch, HDFS-5122.004.patch, HDFS-5122.patch
>
>
> For example if the dfs.nameservices is set to arpit
> {code}
> hdfs dfs -ls webhdfs://arpit:50070/tmp
> or 
> hdfs dfs -ls webhdfs://arpit/tmp
> {code}
> does not work
> You have to provide the exact active namenode hostname. On an HA cluster using dfs client one should not need to provide the active nn hostname

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