[jira] [Commented] (TWILL-138) Runtime change of Application runnable log level

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TWILL-138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15718925#comment-15718925 ] 

ASF GitHub Bot commented on TWILL-138:
--------------------------------------

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

    https://github.com/apache/twill/pull/14#discussion_r90767079
  
    --- Diff: twill-api/src/main/java/org/apache/twill/api/TwillController.java ---
    @@ -89,4 +90,44 @@
        * @return A {@link Future} that will be completed when the restart operation has been done.
        */
       Future<String> restartInstances(String runnable, int instanceId, int... moreInstanceIds);
    +
    --- End diff --
    
    Still, the way I understand this is that it means, the message was received by the app master and passed on to the runnables. We have no idea whether the runnables have received or processed it. That can only be determined by examining the live node info for each runnable.


> Runtime change of Application runnable log level
> ------------------------------------------------
>
>                 Key: TWILL-138
>                 URL: https://issues.apache.org/jira/browse/TWILL-138
>             Project: Apache Twill
>          Issue Type: New Feature
>          Components: core
>            Reporter: Henry Saputra
>
> With TWILL-24 is supported for setting log level when starting the Twill application, next enhancement is to able to send command to update the aggregate log level for a particular runnable in a Twill application.



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