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From "Gabriel Reid (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-323) Add a section on getDetachedValue to the user guide
Date Mon, 20 Jan 2014 07:51:19 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gabriel Reid updated CRUNCH-323:
--------------------------------

    Attachment: getDetachedValue.1.patch

Patch with "it's" vs "its" corrected, and use of tabs for code section to avoid having generics
angle brackets interpreted as html tags.

Thanks for going over it Josh, although I have to admit I'm super-embarrassed to have messed
up the "it's" vs "its" thing (given that I'm so often "that guy" that's giving other people
a hard time about such things).

> Add a section on getDetachedValue to the user guide
> ---------------------------------------------------
>
>                 Key: CRUNCH-323
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-323
>             Project: Crunch
>          Issue Type: Improvement
>          Components: Site
>            Reporter: Gabriel Reid
>            Assignee: Gabriel Reid
>            Priority: Minor
>         Attachments: getDetachedValue.1.patch, getDetachedValue.patch
>
>
> The use of the PType#getDetachedValue is a useful bit of information, and a common gotcha
when working with Crunch and MapReduce. A section explaining how to deal with retaining references
within a DoFn should be added to the user guide.



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