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From "Dhruv Mahajan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1357) Allow different caching levels for caching in IInputPartition
Date Fri, 24 Jun 2016 02:44:16 GMT

    [ https://issues.apache.org/jira/browse/REEF-1357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15347582#comment-15347582
] 

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

[~markus.weimer]I could not understand the alternative. Can you explain? So just to be clear
{{ICachedInputPartition}} will have an additional {{Cache}} function. And now there are going
to be two separate partition implementations to cache to disk and memory?

> 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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