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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10963) Reduce log level when network topology cannot find enough datanodes.
Date Thu, 06 Oct 2016 12:24:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Brahma Reddy Battula updated HDFS-10963:
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha2
           Status: Resolved  (was: Patch Available)

Committed to trunk,branch-2 and branch-2.8. [~xiaochen] thanks for your contribution.

> Reduce log level when network topology cannot find enough datanodes.
> --------------------------------------------------------------------
>                 Key: HDFS-10963
>                 URL: https://issues.apache.org/jira/browse/HDFS-10963
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>            Priority: Minor
>              Labels: supportability
>             Fix For: 2.8.0, 3.0.0-alpha2
>         Attachments: HDFS-10963.01.patch
> Credit to [~qwertymaniac] who reported this.
> {quote}
> The change made by HDFS-10320 now causes all 1-rack cluster to keep printing below:
>   WARN	org.apache.hadoop.net.NetworkTopology	
>   Failed to find datanode (scope="" excludedScope="/default").
> {quote}
> This was added in HDFS-10320 to replace an exception that caused NN terminate. A warn
log was added. But thinking closely, this should be debug to reduce confusion.

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