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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8600) RegistryDNS hang when remote lookup does not reply
Date Wed, 01 Aug 2018 18:46:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16565807#comment-16565807
] 

Hudson commented on YARN-8600:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14688 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14688/])
YARN-8600. RegistryDNS hang when remote lookup does not reply. (skumpf: rev 603a57476ce0bf9514f0432a235f29432ca4c323)
* (add) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/server/dns/LookupTask.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/test/java/org/apache/hadoop/registry/server/dns/TestRegistryDNS.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/server/dns/RegistryDNS.java


> 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
>             Fix For: 3.2.0, 3.1.1
>
>         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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