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 <[email protected]> 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. -- Best Regards, Edward J. Yoon @eddieyoon
