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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2591) Add configuration parameter for default number of yarn containers
Date Thu, 17 Sep 2015 09:13:45 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14791824#comment-14791824
] 

ASF GitHub Bot commented on FLINK-2591:
---------------------------------------

Github user rmetzger commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1121#discussion_r39725184
  
    --- Diff: flink-dist/src/main/resources/flink-conf.yaml ---
    @@ -130,6 +130,15 @@ state.backend: jobmanager
     
     
     #==============================================================================
    +# YARN
    +#==============================================================================
    +
    +# Default number of YARN container to allocate (=Number of Task Managers)
    +
    +yarn.defaultNumberOfTaskManagers: 1
    --- End diff --
    
    Can you remove the configuration value from the default configuration again?
    
    I would like to force new users to specify the number of yarn containers when they start
Flink on YARN.
    The configuration value is meant for production users which want to control everything
using configuration values.


> Add configuration parameter for default number of yarn containers
> -----------------------------------------------------------------
>
>                 Key: FLINK-2591
>                 URL: https://issues.apache.org/jira/browse/FLINK-2591
>             Project: Flink
>          Issue Type: Improvement
>          Components: YARN Client
>            Reporter: Robert Metzger
>            Assignee: Will Miao
>            Priority: Minor
>              Labels: starter
>
> A user complained about the requirement to always specify the number of yarn containers
(-n) when starting a job.
> Adding a configuration value with a default value will allow users to set a default ;)



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