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https://issues.apache.org/jira/browse/HAMA-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256679#comment-13256679
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Thomas Jungblut commented on HAMA-556:
--------------------------------------

We can use the logic in our SuperstepBSP's Superstep class where you can halt 
the computation by overriding a boolean-returning function.
                
> Graph package to support stopping the interations when the node changes are 
> within the tolerance value as in the case of page rank
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HAMA-556
>                 URL: https://issues.apache.org/jira/browse/HAMA-556
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp
>    Affects Versions: 0.5.0
>            Reporter: praveen sripati
>            Priority: Minor
>             Fix For: 0.5.0, 0.6.0
>
>
> Currently in the graph package, the iteration continues till the nodes are no 
> longer updated (absolutely) or the maximum number of iterations has reached. 
> It doesn't support testing the node changes with some tolerance and then stop 
> the iterations as in the case of page rank.
> The above scenario might be applicable besides page rank also.
> org.apache.hama.graph.GraphJobRunner#bsp()
> while (updated && iteration < maxIteration) {
>      ......
>      ......
> }

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