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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2025/11/26 00:24:00 UTC

[jira] [Commented] (HADOOP-17859) DNS Query on DNS Registry got connection timed out at times.

    [ https://issues.apache.org/jira/browse/HADOOP-17859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18040737#comment-18040737 ] 

ASF GitHub Bot commented on HADOOP-17859:
-----------------------------------------

github-actions[bot] commented on PR #3323:
URL: https://github.com/apache/hadoop/pull/3323#issuecomment-3578184476

   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.




> DNS Query on DNS Registry got connection timed out at times.
> ------------------------------------------------------------
>
>                 Key: HADOOP-17859
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17859
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: registry
>            Reporter: Jeongin Ju
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.1.2
>
>         Attachments: HADOOP-17859.001.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> DNS query on YARN Registry DNS got connection timed out at times.
>  
> After checking logs on registry dns, we found the cause that size of UDP Response is greater than Preallocated Byte buffer(4096)
>  
> We added failsafe case by returning input query with TC flag so that client can know they should retried using TCP protocol.
>  
>  
> We found the problem and patched our cluster on 3.1.2 but it seems trunk still has the same problem.
> I attached patch based on the trunk.
>  
> Thanks!



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