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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/07/28 05:08:05 UTC

[jira] [Commented] (SPARK-5561) Generalize PeriodicGraphCheckpointer for RDDs

    [ https://issues.apache.org/jira/browse/SPARK-5561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643797#comment-14643797 ] 

Joseph K. Bradley commented on SPARK-5561:
------------------------------------------

I'm generalizing this to use for GBTs.  But I will keep it in MLlib.

> Generalize PeriodicGraphCheckpointer for RDDs
> ---------------------------------------------
>
>                 Key: SPARK-5561
>                 URL: https://issues.apache.org/jira/browse/SPARK-5561
>             Project: Spark
>          Issue Type: Improvement
>          Components: GraphX, MLlib, Spark Core
>    Affects Versions: 1.3.0
>            Reporter: Joseph K. Bradley
>            Assignee: Joseph K. Bradley
>
> PeriodicGraphCheckpointer was introduced for Latent Dirichlet Allocation (LDA), but it could be generalized to work with both Graphs and RDDs.  It should be generalized and moved out of MLlib.
> (For those who are not familiar with it, it tries to automatically handle persisting/unpersisting and checkpointing/removing checkpoint files in a lineage of Graphs.)
> A generalized version might be immediately useful for:
> * RandomForest
> * Streaming
> * GLMs



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