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From "Chao Shi (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CRUNCH-351) Improve performance of Shard#shard on large records
Date Sat, 29 Mar 2014 17:05:16 GMT

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

Chao Shi resolved CRUNCH-351.
-----------------------------

       Resolution: Fixed
    Fix Version/s: 0.8.3
                   0.10.0

pushed to master and 0.8 branch.

> 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
>             Fix For: 0.10.0, 0.8.3
>
>         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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