[jira] [Commented] (SPARK-9666) ML 1.5 QA: model save/load audit

["yuhao yang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-9666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14701001#comment-14701001 ] 

yuhao yang commented on SPARK-9666:
-----------------------------------

Tested: save in 1.4 and load in 1.5. 
checking model update.


> ML 1.5 QA: model save/load audit
> --------------------------------
>
>                 Key: SPARK-9666
>                 URL: https://issues.apache.org/jira/browse/SPARK-9666
>             Project: Spark
>          Issue Type: Sub-task
>          Components: MLlib
>            Reporter: Joseph K. Bradley
>            Assignee: yuhao yang
>
> We should check to make sure no changes broke model import/export in spark.mllib.
> * If a model's name, data members, or constructors have changed _at all_, then we likely need to support a new save/load format version.  Different versions must be tested in unit tests to ensure backwards compatibility (i.e., verify we can load old model formats).
> * Examples in the programming guide should include save/load when available.  It's important to try running each example in the guide whenever it is modified (since there are no automated tests).



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