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https://issues.apache.org/jira/browse/SPARK-23674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-23674.
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       Resolution: Fixed
    Fix Version/s: 3.0.0

Issue resolved by pull request 23263
[https://github.com/apache/spark/pull/23263]

> Add Spark ML Listener for Tracking ML Pipeline Status
> -----------------------------------------------------
>
>                 Key: SPARK-23674
>                 URL: https://issues.apache.org/jira/browse/SPARK-23674
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 2.3.0
>            Reporter: Mingjie Tang
>            Assignee: Hyukjin Kwon
>            Priority: Major
>             Fix For: 3.0.0
>
>
> Currently, Spark provides status monitoring for different components of 
> Spark, like spark history server, streaming listener, sql listener and etc. 
> The use case would be (1) front UI to track the status of training coverage 
> rate during iteration, then DS can understand how the job converge when 
> training, like K-means, Logistic and other linear regression model.  (2) 
> tracking the data lineage for the input and output of training data.  
> In this proposal, we hope to provide Spark ML pipeline listener to track the 
> status of Spark ML pipeline status includes: 
>  # ML pipeline create and saved 
>  # ML pipeline model created, saved and load  
>  # ML model training status monitoring  



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