[jira] [Commented] (HDFS-16547) [SBN read] Namenode in safe mode should not be transfered to observer state

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-16547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18019470#comment-18019470 ] 

ASF GitHub Bot commented on HDFS-16547:
---------------------------------------

github-actions[bot] commented on PR #7577:
URL: https://github.com/apache/hadoop/pull/7577#issuecomment-3276955761

   We're closing this stale PR because it has been open for 100 days with no activity. This isn't a judgement on the merit of the PR in any way. It's just a way of keeping the PR queue manageable.
   If you feel like this was a mistake, or you would like to continue working on it, please feel free to re-open it and ask for a committer to remove the stale tag and review again.
   Thanks all for your contribution.




> [SBN read] Namenode in safe mode should not be transfered to observer state
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-16547
>                 URL: https://issues.apache.org/jira/browse/HDFS-16547
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.4.0
>            Reporter: Tao Li
>            Assignee: Tao Li
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> Currently, when a Namenode is in safemode(under starting or enter safemode manually), we can transfer this Namenode to Observer by command. This Observer node may receive many requests and then throw a SafemodeException, this causes unnecessary failover on the client.
> So Namenode in safe mode should not be transfer to observer state.



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