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From "Deron Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-1562) Remove history from MLContext
Date Thu, 01 Jun 2017 18:49:04 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-1562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deron Eriksson closed SYSTEMML-1562.
------------------------------------

> Remove history from MLContext
> -----------------------------
>
>                 Key: SYSTEMML-1562
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1562
>             Project: SystemML
>          Issue Type: Task
>          Components: APIs
>            Reporter: Deron Eriksson
>            Assignee: Deron Eriksson
>            Priority: Minor
>             Fix For: SystemML 1.0
>
>
> When working in an environment such as spark-shell with MLContext, typically a user has
references to any needed Script objects. Thus, the MLContext script history feature is not
really necessary. In addition, the particular implementation can be confusing since the Script
objects in the LinkedHashMap values can point to the same Script object, which can change
over time, leading to unexpected behavior. This mutability makes the history not necessarily
accurate. Therefore, remove the script history feature.



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