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From Ηλίας Καπουράνης <ikapo...@csd.auth.gr>
Subject Re: Groomservers IPC server port range
Date Wed, 05 Feb 2014 13:13:07 GMT
Hey,

So what the IPC Server stands for and it gets random ports? I ve seen 
39865 and 52765. What is the deal with it?


Στις 5/2/2014 2:53 μμ, ο/η Edward J. Yoon έγραψε:
> Hi,
>
> a Hama cluster uses ports "bsp.master.port" 40000 and
> "bsp.groom.rpc.port" 50000 to communicate among the cluster nodes.
>
> And the default peer port is 61000. If you set 3 for the maximum
> number of tasks per node, each task uses ports from 61000 to 61003 to
> transfer messages between bsp tasks.
>
> On Wed, Feb 5, 2014 at 9:11 PM, Ηλίας Καπουράνης <ikapoura@csd.auth.gr>
wrote:
>> Hello there,
>>
>> I am trying to setup Hama in a cluster with really strict port permissions
>> and I get across the error at every GroomServer:
>> "There is a problem in establishing link with BSPMaster."
>>
>> - Do you know what is the range of ports that every GroomServers IPC Server
>> gets when started?
>> - Is there a way to limit this range to new user values?
>>
>> Thank you.
>
>


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