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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10588) False alarm in datanode log - ERROR - Disk Balancer is not enabled
Date Fri, 05 Aug 2016 03:01:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15408800#comment-15408800
] 

Hudson commented on HDFS-10588:
-------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #10220 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10220/])
HDFS-10588. False alarm in datanode log - ERROR - Disk Balancer is not (weichiu: rev 18d9e6ec0bdb4bce316f8af5d3f13902dd899325)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DiskBalancer.java


> False alarm in datanode log - ERROR - Disk Balancer is not enabled
> ------------------------------------------------------------------
>
>                 Key: HDFS-10588
>                 URL: https://issues.apache.org/jira/browse/HDFS-10588
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>              Labels: supportability
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-10588.001.patch, HDFS-10588.002.patch, HDFS-10588.003.patch,
HDFS-10588.004.patch, HDFS-10588.005.patch
>
>
> Noticed error message in namenode log 
> {code}2016-06-28 19:49:12,221 ERROR datanode.DiskBalancer (DiskBalancer.java:checkDiskBalancerEnabled(297))
- Disk Balancer is not enabled.
> {code}
> even with default configuration dfs.disk.balancer.enabled=false.This is triggered when
accessing datanode web UI, because {{DataNode#getDiskBalancerStatus}} calls the check.



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