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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10588) False alarm in datanode log - ERROR - Disk Balancer is not enabled
Date Wed, 03 Aug 2016 03:02:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Weiwei Yang updated HDFS-10588:
-------------------------------
    Summary: False alarm in datanode log - ERROR - Disk Balancer is not enabled  (was: False
alarm in namenode log - ERROR - Disk Balancer is not enabled)

> 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
>         Attachments: HDFS-10588.001.patch, HDFS-10588.002.patch, HDFS-10588.003.patch,
HDFS-10588.004.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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