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From Ben Cuthbert <bencuthb...@ymail.com>
Subject Re: start hadoop slave over WAN
Date Fri, 30 Mar 2012 18:10:32 GMT
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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