[jira] [Resolved] (HDFS-2861) HA: checkpointing should verify that the dfs.http.address has been configured to a non-loopback for peer NN

["Todd Lipcon (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-2861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon resolved HDFS-2861.
-------------------------------

       Resolution: Fixed
    Fix Version/s: HA branch (HDFS-1623)
     Hadoop Flags: Reviewed

Contributed to HA branch, thanks for reviews.
                
> HA: checkpointing should verify that the dfs.http.address has been configured to a non-loopback for peer NN
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2861
>                 URL: https://issues.apache.org/jira/browse/HDFS-2861
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Critical
>             Fix For: HA branch (HDFS-1623)
>
>         Attachments: hdfs-2861.txt, hdfs-2861.txt, hdfs-2861.txt, hdfs-2861.txt
>
>
> In an HA setup I was running for the past week, I just noticed that checkpoints weren't getting properly uploaded, since the SBN was connecting to http://0.0.0.0:50070/ rather than the correct dfs.http.address. So, it was uploading checkpoints to itself instead of the peer. We should add sanity checks during startup to ensure that the configuration is correct.

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