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MapReduce >> mail # user >> Need help for hadoop


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Geelong Yao 2013-04-23, 14:25
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Re: Need help for hadoop
1: check for sl4j jar file, set HADOOP_CLASSPATH
2. check permission on /sda
better make a directory in /sda/data or somethig like that and then try

*Thanks & Regards    *


Shashwat Shriparv

On Tue, Apr 23, 2013 at 7:55 PM, Geelong Yao <[EMAIL PROTECTED]> wrote:

> Hi  Everyone
>
>
> I have met two issues when changing the configuration for hadoop
>
> 1.When I execute the start-all.sh, it shows some errors but it won't
> affect the cluster
>
> [image: 内嵌图片 1]
>
> Does anyone know what happened?missing some jars ?
>
> 2.When I need to change the setting of data.dfs.dir in hdfs-site.xml to
> add aonther volume (mounted on /sda)of my disk
>  <property>
>         <name>data.dfs.dir</name>
>         <value>/usr/hadoop/tmp/dfs/data,/sda</value>
>     </property>
> I fonud I can't start dfs, when I checking the datanode, there is no
> datanode running
>
> Could anyone know how to make the change works after I change the
> hdfs-site.xml on datanode,the details would be better
>
>
> BRs
> Geelong
>
> --
> From Good To Great
>
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Geelong Yao 2013-04-23, 15:44