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From "Gabriel Reid (JIRA)" <>
Subject [jira] [Commented] (CRUNCH-282) Add a cap on the number of reducers per job
Date Thu, 17 Oct 2013 06:38:41 GMT


Gabriel Reid commented on CRUNCH-282:

+1, super useful. It would be a good idea to squash the two commits in the most recent patch
into a single commit just so it's more clear in the commit history.

> Add a cap on the number of reducers per job
> -------------------------------------------
>                 Key: CRUNCH-282
>                 URL:
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 0.7.0
>            Reporter: Josh Wills
>            Assignee: Josh Wills
>         Attachments: CRUNCH-282.patch, CRUNCH-282.patch
> Like Pig, Crunch should have a parameter that controls the maximum number of reducers
to use for a given job when Crunch sets the number by estimating the size of the input data
set. I'm thinking "crunch.max.reducers" with a default of 500.

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