[jira] [Commented] (SYSTEMML-1126) Custom Configuration parameters are lost in remote execution

["Felix Schüler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SYSTEMML-1126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15691697#comment-15691697 ] 

Felix Schüler commented on SYSTEMML-1126:
-----------------------------------------

As far as I can see the problem is that the static variables in the ConfigurationManager are serialized and deserialized in different JVMs, leading to the use of defaults in the remote JVMs. 

> Custom Configuration parameters are lost in remote execution
> ------------------------------------------------------------
>
>                 Key: SYSTEMML-1126
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1126
>             Project: SystemML
>          Issue Type: Bug
>          Components: Runtime
>            Reporter: Felix Schüler
>
> When running a remote job, a custom configuration that was set with the -config parameter is not available to the workers. 
> The problem is that the Configuration manager is initialized as a static Singleton on the driver and holds a threadlocal configuration that was initialized for the driver process but not on the remote workers. Therefore, they will always use the defaults. 



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