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https://issues.apache.org/jira/browse/SOLR-6398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-6398:
---------------------------------

    Description: 
The main inspiration for this ticket came from this presentation:

http://www.slideshare.net/jpatanooga/hadoop-summit-eu-2013-parallel-linear-regression-iterativereduce-and-yarn

This ticket builds on the existing AnalyticsQuery / MergeStrategy framework by 
adding the abstract class IterativeMergeStrategy,  which has built-in support 
for call-backs to the shards. By extending this class you can encapsulate 
parallel iterative algorithms that will run efficiently inside Solr.



  was:
The main inspiration for this ticket came from this presentation:

http://www.slideshare.net/jpatanooga/hadoop-summit-eu-2013-parallel-linear-regression-iterativereduce-and-yarn





> Add IterativeMergeStrategy to support the execution of Parallel Iterative 
> Algorithms 
> -------------------------------------------------------------------------------------
>
>                 Key: SOLR-6398
>                 URL: https://issues.apache.org/jira/browse/SOLR-6398
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Joel Bernstein
>            Priority: Minor
>         Attachments: SOLR-6398.patch
>
>
> The main inspiration for this ticket came from this presentation:
> http://www.slideshare.net/jpatanooga/hadoop-summit-eu-2013-parallel-linear-regression-iterativereduce-and-yarn
> This ticket builds on the existing AnalyticsQuery / MergeStrategy framework 
> by adding the abstract class IterativeMergeStrategy,  which has built-in 
> support for call-backs to the shards. By extending this class you can 
> encapsulate parallel iterative algorithms that will run efficiently inside 
> Solr.



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