Suraj Menon created HAMA-567:
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Summary: BSPPeer should provide means for chaining supersteps to
share data among them.
Key: HAMA-567
URL: https://issues.apache.org/jira/browse/HAMA-567
Project: Hama
Issue Type: Improvement
Components: bsp core
Affects Versions: 0.6.0
Reporter: Suraj Menon
Fix For: 0.6.0
In most scenarios, a superstep would need certain values or objects that were
computed in the previous superstep. When using the chaining Superstep design to
implement BSP algorithms, this gets a little ugly/difficult to implement.
BSPPeer should provide means (preferably a map<String,Object>) so that the next
Superstep can ask for the values in previous superstep using String token to
query the map. Also, this map could be checkpointed periodically in the
background so that we can completely recover the state of a task after failure.
The BSPPeer object should have a dedicated get and set function for updating
values in the peer.
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