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https://issues.apache.org/jira/browse/HAMA-567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward J. Yoon updated HAMA-567:
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Fix Version/s: (was: 0.7.0)
> 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
> Attachments: Mapper.java
>
>
> 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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