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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CRUNCH-178) Add library functions for performing distributed reservoir sampling
Date Sun, 10 Mar 2013 23:05:13 GMT

    [ https://issues.apache.org/jira/browse/CRUNCH-178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13598430#comment-13598430
] 

Josh Wills commented on CRUNCH-178:
-----------------------------------

@Christian honestly not sure in either case-- this did what I wanted for my app, and I thought
it would be useful for other folks.
                
> Add library functions for performing distributed reservoir sampling
> -------------------------------------------------------------------
>
>                 Key: CRUNCH-178
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-178
>             Project: Crunch
>          Issue Type: Improvement
>          Components: MapReduce Patterns
>            Reporter: Josh Wills
>         Attachments: CRUNCH-178.patch
>
>
> For a project I've been working on, I wrote up some Crunch functions for performing reservoir
sampling and weighted reservoir sampling that I think would be useful enough to put in lib.*
Here's the paper that I used as a reference for the implementations I wrote:
> http://arxiv.org/pdf/1012.0256.pdf

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