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Posted to hdfs-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2016/08/18 01:15:24 UTC

[jira] [Updated] (HDFS-8675) IBRs from dead DNs go into infinite loop

     [ https://issues.apache.org/jira/browse/HDFS-8675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli updated HDFS-8675:
------------------------------------------
    Target Version/s: 2.7.4  (was: 2.7.3)

2.7.3 is under release process, changing target-version to 2.7.4.

> IBRs from dead DNs go into infinite loop
> ----------------------------------------
>
>                 Key: HDFS-8675
>                 URL: https://issues.apache.org/jira/browse/HDFS-8675
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.6.0
>            Reporter: Daryn Sharp
>
> If the DN sends an IBR after the NN declares it dead, the NN returns an IOE of unregistered or dead.  The DN catches the IOE, ignores it, and infinitely loops spamming the NN with retries.



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