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https://issues.apache.org/jira/browse/MAHOUT-1500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070931#comment-14070931
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ASF GitHub Bot commented on MAHOUT-1500:
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Github user dlyubimov commented on the pull request:
https://github.com/apache/mahout/pull/21#issuecomment-49803586
@avati Anand, i would like to try and squeeze #33 ahead of this.
#33 changes DrmLike by adding a new lazy evaluation to plans
(canHaveMissingRows) to track potentially missing row condition thruout DAGs if
it ever was (lazily) detected in the original sources.
it also fixes A+1 case on spark side. Spark side is fairly agnostic of
other engines, it really up to them if they would allow missing implied rows or
not. Spark engine chooses to allow that and perform lazy evaluation whenever
required.
> H2O integration
> ---------------
>
> Key: MAHOUT-1500
> URL: https://issues.apache.org/jira/browse/MAHOUT-1500
> Project: Mahout
> Issue Type: Improvement
> Reporter: Anand Avati
> Fix For: 1.0
>
>
> Provide H2O backend for the Mahout DSL
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