bsp.groom.port is unnused and superseeded by bsp.peer.port
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                 Key: HAMA-291
                 URL: https://issues.apache.org/jira/browse/HAMA-291
             Project: Hama
          Issue Type: Bug
            Reporter: Filipe Manana


Most of the code uses the parameter bsp.peer.port to pickup the port for a 
Groom server.
However we have 2 references to bsp.groom.port:

1)  hama-default.xml
2)  in LocalBSPCluster as "conf.set("bsp.groom.port", "40020");"

The following patch renames those 2 entries to bsp.peer.port.
It also changes the default value for bsp.groom.port to 61000 in order to match 
the default for bsp.peer.port (see Constants.java).

However I'm not sure if we shouldn't do it the other way around: renaming 
bsp.peer.port to bsp.groom.port. I understand the use of "peer" is related to 
the BSPPeer class name (and other parts of the code). However, the shell 
scripts in bin/ use the naming "groom server" as well as the 
wiki/documentation. So maybe it's more appropriate to always refer to groom 
server instead of "peer"

Definitely, having 2 different words for the same concept/entity is confusing 
to users and new developers.

Edward, what do you think?



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