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From Ben Cuthbert <bencuthb...@ymail.com>
Subject Re: start hadoop slave over WAN
Date Fri, 30 Mar 2012 22:28:16 GMT
no nothing. Is there extra debug one can put on the master when starting up?


On 30 Mar 2012, at 19:10, Ben Cuthbert wrote:

> Agree with the not a great idea. We are toying with various configurations. We want to
run a distributed application server in multiple regions. We are looking 
> at having multiple masters and using replication, but we wanted to see what the performance
would be like doing single master multiple datanodes.
> On 30 Mar 2012, at 18:52, Michael Segel wrote:
> 
>> Probably a timeout. 
>> Really, not a good idea to do this in the first place...
>> 
>> Sent from my iPhone
>> 
>> On Mar 30, 2012, at 12:35 PM, "Ben Cuthbert" <bencuthbert@ymail.com> wrote:
>> 
>>> Strange thing is the datanode in the remote location has a log zero bytes. So
nothing there.
>>> Its strange it is like the master does and ssh, login, and then attempts to start
it but nothing. Maybe there is a timeout?
>>> 
>>> 
>>> On 30 Mar 2012, at 18:22, kasi subrahmanyam wrote:
>>> 
>>>> Try checking the logs in the logs folder for the datanode.It might give
>>>> some lead.
>>>> Maybe there is a mismatch between the namespace iDs in the system and user
>>>> itself while starting the datanode.
>>>> 
>>>> On Fri, Mar 30, 2012 at 10:32 PM, Ben Cuthbert <bencuthbert@ymail.com>wrote:
>>>> 
>>>>> All
>>>>> 
>>>>> We have a master in one region and we are trying to start a slave datanode
>>>>> in another region. When executing the scripts it looks to login to the
>>>>> remote host, but
>>>>> never starts the datanode. When executing hbase tho it does work. Is
there
>>>>> a timeout or something with hadoop?
>>> 
> 


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