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From stack <st...@duboce.net>
Subject Re: Regionserver fails to serve region
Date Tue, 04 Nov 2008 20:05:16 GMT
Then we should try and figure if there is an issue in the balancer, or 
maybe there is something missing if we are not doing a big upload in a 
manner that balances the upload across HDFS?
St.Ack

Slava Gorelik wrote:
> Sure, i'll arrange logs tomorrow.About balancer, to wait when the massive
> work is finished is good in testing environment but in production it's not
> relevant :-)
>
> Best Regards.
>
> On Tue, Nov 4, 2008 at 9:48 PM, stack <stack@duboce.net> wrote:
>
>   
>> Slava Gorelik wrote:
>>
>>     
>>> Hi.Regarding the failure of new block creation - i failed to run hbase
>>> till
>>> i reformatted HDFS again.
>>>
>>>
>>>       
>> I'd be interested in the logs.
>>
>>  I just wandering if hadoop re balancing is necessary? Will it balance
>>     
>>> itself
>>> ? As i understand hadoop balancer is moving data between data nodes, but
>>> in
>>> my case this is during massive (8 clients just adding a records - about
>>> 400
>>> requests for all region servers - 6). So, is it good idea to run
>>> balancer during heavy load ?
>>>
>>>
>>>       
>> I don't have sufficient experience running the balancer.  Perhaps wait till
>> upload is done, then run it?
>>
>> St.Ack
>>
>>     
>
>   


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