You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@crunch.apache.org by "Josh Wills (JIRA)" <ji...@apache.org> on 2014/03/02 22:55:22 UTC

[jira] [Commented] (CRUNCH-351) Improve performance of Shard#shard on large records

    [ https://issues.apache.org/jira/browse/CRUNCH-351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13917580#comment-13917580 ] 

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

Okay to commit this now?

> 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.



--
This message was sent by Atlassian JIRA
(v6.2#6252)