hadoop-common-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-1106) Number of DataNodes less than target replication causes NameNode WARN message every millisecond
Date Wed, 16 May 2007 18:39:16 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nigel Daley resolved HADOOP-1106.
---------------------------------

    Resolution: Cannot Reproduce

I can't reproduce this anymore either.

> Number of DataNodes less than target replication causes NameNode WARN message every millisecond
> -----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1106
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1106
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.12.0
>            Reporter: Nigel Daley
>         Assigned To: Hairong Kuang
>            Priority: Blocker
>             Fix For: 0.13.0
>
>
> When I startup a 4 DataNode cluster that already contains files with a target replication
of 3, but 2 of the DataNodes fail to come online (ie. there are fewer DataNodes then the target
replication), I get the following output in the NameNode log every millisecond or less, continued
forever:
> 2007-03-09 22:45:22,848 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,849 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,850 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,851 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,852 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,852 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,853 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,853 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2
> 2007-03-09 22:45:22,854 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough
replicas, still in need of 2

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message