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From "Chao Shi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-351) Improve performance of Shard#shard on large records
Date Sat, 22 Feb 2014 10:40:19 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chao Shi updated CRUNCH-351:
----------------------------

    Attachment: crunch-351.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.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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