[jira] [Updated] (BIGTOP-1686) puppet hadoop/mapred: Update and clean mapred template and namespace

["Michael Weiser (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BIGTOP-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Weiser updated BIGTOP-1686:
-----------------------------------
    Attachment: 0001-BIGTOP-1686-Update-and-clean-mapred-template-and-nam.patch

This is the first installment of the promised post-hiera-conversion cleanups:

[~oflebbe] has updated the mapred-site.xml template to mapred2 and I have cleaned up the variable names. They should all nicely reflect the setting they apply to and have lost their now redundant hadoop_ and  hadoop_config_ prefixes.

All the values should have stayed the same. We noticed however that some of those values differ from the Hadoop defaults and are unsure if they still make sense for mapred 2. In our environment we've tuned them quite differently. So a review of those values might be advised, perhaps as a follow-up Jira.

> puppet hadoop/mapred: Update and clean mapred template and namespace
> --------------------------------------------------------------------
>
>                 Key: BIGTOP-1686
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-1686
>             Project: Bigtop
>          Issue Type: Improvement
>          Components: deployment
>    Affects Versions: backlog
>            Reporter: Michael Weiser
>         Attachments: 0001-BIGTOP-1686-Update-and-clean-mapred-template-and-nam.patch
>
>
> Update the mapred-site.xml template to current names for settings.
> Remove outdated settings. Make more settings adjustable and move their
> defaults into the Puppet class.
> Change variable names to consistently resemble the setting names.



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