[jira] Updated: (PIG-890) Create a sampler interface and improve the skewed join sampler

["Sriranjan Manjunath (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sriranjan Manjunath updated PIG-890:
------------------------------------

    Attachment: sampler.patch

The attached file has the redesigned sampler interface. Skewed join now uses a trivial implementation of the poisson sampling mechanism.

> Create a sampler interface and improve the skewed join sampler
> --------------------------------------------------------------
>
>                 Key: PIG-890
>                 URL: https://issues.apache.org/jira/browse/PIG-890
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Sriranjan Manjunath
>         Attachments: sampler.patch
>
>
> We need a different sampler for order by and skewed join. We thus need a better sampling interface. The design of the same is described here: http://wiki.apache.org/pig/PigSampler

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