[jira] [Commented] (REEF-1357) Allow different caching levels for caching in IInputPartition

["Dhruv Mahajan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/REEF-1357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15269182#comment-15269182 ] 

Dhruv Mahajan commented on REEF-1357:
-------------------------------------

Thanks Andrew....I left some comments....Overall LGTM except some minor clarifications I asked.

> Allow different caching levels for caching in IInputPartition
> -------------------------------------------------------------
>
>                 Key: REEF-1357
>                 URL: https://issues.apache.org/jira/browse/REEF-1357
>             Project: REEF
>          Issue Type: Improvement
>          Components: IMRU, REEF.NET
>            Reporter: Andrew Chung
>            Assignee: Andrew Chung
>              Labels: FT
>
> Caching in {{IInputPartition}} is currently entirely dependent on the implementation of the {{IInputPartition}}. We should modify/expand {{IInputPartition}} such that the data loading component is fully separate from the caching component. An idea is to instead provide only a single concrete {{IInputPartition}} implementation (while deprecating the old implementations) and use the composition model, complete with an {{IDataLoader}} which fetches data back in a {{Stream}}, and an {{IDataCache}}, which allows caching at granular levels.



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