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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CRUNCH-292) Hack around Hadoop2's job counter limits
Date Fri, 01 Nov 2013 17:49:17 GMT

    [ https://issues.apache.org/jira/browse/CRUNCH-292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811499#comment-13811499
] 

Vinod Kumar Vavilapalli commented on CRUNCH-292:
------------------------------------------------

Yeah, my bad. This isn't in 2.2.0 too, will be there in 2.3.

> Hack around Hadoop2's job counter limits
> ----------------------------------------
>
>                 Key: CRUNCH-292
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-292
>             Project: Crunch
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.0
>            Reporter: Josh Wills
>            Assignee: Josh Wills
>         Attachments: CRUNCH-292.patch
>
>
> Hadoop2 introduces limits in the Counters library that set a maximum of 120 counters
per job. These limits are really hard to hack around (for some good reasons); the only real
way to override them is to update mapred-site.xml and restart the cluster.
> This presents a challenge for Crunch's in-memory implementation, which uses the Counters
library in local mode and can potentially generate well more than 120 counters when testing
long pipelines. 



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