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https://issues.apache.org/jira/browse/SUREFIRE-1177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877328#comment-14877328
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ASF GitHub Bot commented on SUREFIRE-1177:
------------------------------------------

Github user juherr commented on the pull request:

    https://github.com/apache/maven-surefire/pull/105#issuecomment-141709744
  
    Are we agree that the current PR is more about parameters than threading?
    
    Before the fix: "-suitethreadpoolsize" and "-dataproviderthreadcount" were 
sent without conversion to TestNG, but TestNG need `Integer`.
    After the fix: "-suitethreadpoolsize" and "-dataproviderthreadcount" are 
sent with conversion to TestNG, what it supposed to be done.
    
    @dundacek already made [a fix](https://github.com/cbeust/testng/pull/798) 
into TestNG for "-suitethreadpoolsize" but not for "-dataproviderthreadcount". 
And I think we are all agree that TestNG is not the good place for that.
    
    What I propose is to merge my fix because it has no risk 
("-suitethreadpoolsize" and "-dataproviderthreadcount" are `Integer` since the 
begginning) and it will help users, then we can try to improve parallel and/or 
use the "new" TestNG method.


> TestNG "suitethreadpoolsize" parameter can not be set by Maven Surefire
> -----------------------------------------------------------------------
>
>                 Key: SUREFIRE-1177
>                 URL: https://issues.apache.org/jira/browse/SUREFIRE-1177
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: TestNG support
>    Affects Versions: 2.18.1
>            Reporter: Jan Dundáček
>
> Because of Surefire is using deprecated TestNG.configure(Map) method, 
> parameter "suitethreadpoolsize" value is not read by TestNG. And so test 
> suites can not be run in parallel. This parameter is read only in 
> TestNG.configure(CommandLineArgs) method.
>   /**
>    * This method is invoked by Maven's Surefire to configure the runner,
>    * do not remove unless you know for sure that Surefire has been updated
>    * to use the new configure(CommandLineArgs) method.
>    *
>    * @deprecated use new configure(CommandLineArgs) method
>    */
>   @Deprecated
>   public void configure(Map cmdLineArgs) {
>   ....



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