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From long hong <longhong1...@gmail.com>
Subject Re: Namenode cannot start in hadoop0.20.2
Date Mon, 22 Nov 2010 09:44:25 GMT
Oh I just let it be the default value... Thx! :-)

On Nov 22, 2010, at 2:03 PM, Harsh J wrote:

> Hi,
> 
> On Mon, Nov 22, 2010 at 9:36 AM, long hong <gnohgnol@gmail.com> wrote:
>> hi all, I am recently developing a web app based on Hadoop DFS.  I just use one node
for dev and find the namenode usualy cannot be started using bin/start-all.sh. I have to frequently
reformat the namenode and restart hadoop to make the it work.
>> 
>> Did anyone encounter the same problem? thx for helping !
> 
> What is your dfs.name.dir set to? If it is left as default, it resides
> in /tmp and gets wiped out every boot, which should be one cause of
> NameNode not starting again.
> 
> -- 
> Harsh J
> www.harshj.com


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