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From "Suraj Menon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-637) Implement Group membership API for tasks
Date Tue, 11 Sep 2012 14:35:08 GMT
Suraj Menon created HAMA-637:

             Summary: Implement Group membership API for tasks
                 Key: HAMA-637
                 URL: https://issues.apache.org/jira/browse/HAMA-637
             Project: Hama
          Issue Type: New Feature
          Components: bsp core
            Reporter: Suraj Menon

We should experiment how effective it would be to implement this feature. Instead of a peer
sending message to each of the peers that logically a part of a group(active vertices of graph,
members of group in a cluster, etc.) 

The API could be:

peer.sendMessageToGroup(String group, Writable message);

This should result in finding all the peers that are members of that group and send message
to each of the peers in the group.

Peers can change their membership status using the following API.
The guarantee of the group membership is ensured only in the next superstep.

peer.registerWithGroup(String group, Writable message);
peer.deregisterFromGroup(String group, Writable message);

For now we can try using Zookeeper for this solution.

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