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From "Josh Wills (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CRUNCH-351) Improve performance of Shard#shard on large records
Date Mon, 24 Feb 2014 18:13:21 GMT

    [ https://issues.apache.org/jira/browse/CRUNCH-351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13910593#comment-13910593
] 

Josh Wills commented on CRUNCH-351:
-----------------------------------

+1 for the v2 patch.

> Improve performance of Shard#shard on large records
> ---------------------------------------------------
>
>                 Key: CRUNCH-351
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-351
>             Project: Crunch
>          Issue Type: Improvement
>            Reporter: Chao Shi
>            Assignee: Chao Shi
>         Attachments: crunch-351-v2.patch, crunch-351.patch
>
>
>     This avoids sorting on the input data, which may be long and make
>     shuffle phase slow. The improvement is to sort on pseudo-random numbers.



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