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Posted to yarn-issues@hadoop.apache.org by "Eric Yang (JIRA)" <ji...@apache.org> on 2018/08/01 15:58:00 UTC

[jira] [Updated] (YARN-8600) RegistryDNS hang when remote lookup does not reply

     [ https://issues.apache.org/jira/browse/YARN-8600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Yang updated YARN-8600:
----------------------------
    Attachment: YARN-8600.003.patch

> RegistryDNS hang when remote lookup does not reply
> --------------------------------------------------
>
>                 Key: YARN-8600
>                 URL: https://issues.apache.org/jira/browse/YARN-8600
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 3.1.0
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>            Priority: Critical
>         Attachments: YARN-8600.001.patch, YARN-8600.002.patch, YARN-8600.003.patch
>
>
> If lookup type mismatch with the record to query, remote DNS server might not reply.  For example looking up a CNAME record with a PTR address: 1.76.27.172.in-addr.arpa.  This can hang registryDNS.



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