[jira] [Created] (SPARK-18303) CLONE - Improving MLlib optimization APIs

["Iskender Unlu (JIRA)" <ji...@apache.org>]

Iskender Unlu created SPARK-18303:
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             Summary: CLONE - Improving MLlib optimization APIs
                 Key: SPARK-18303
                 URL: https://issues.apache.org/jira/browse/SPARK-18303
             Project: Spark
          Issue Type: Umbrella
          Components: MLlib
            Reporter: Iskender Unlu


*Goal*: Improve APIs for optimization

*Motivation*: There have been several disjoint mentions of improving the optimization APIs to make them more pluggable, extensible, etc.  This JIRA is a place to discuss what API changes are necessary for the long term, and to provide links to other relevant JIRAs.

Eventually, I hope this leads to a design doc outlining:
* current issues
* requirements such as supporting many types of objective functions, optimization algorithms, and parameters to those algorithms
* ideal API
* breakdown of smaller JIRAs needed to achieve that API

I will soon create an initial design doc, and I will try to watch this JIRA and include ideas from JIRA comments.




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