[jira] [Commented] (FLINK-2772) Introduce dedicated garbage collector config parameter and set default values for batch and streaming

["Greg Hogan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15850469#comment-15850469 ] 

Greg Hogan commented on FLINK-2772:
-----------------------------------

Is this still apropos? I'm not seeing a distinction between streaming and batch in the current version of {{taskmanager.sh}}.

> Introduce dedicated garbage collector config parameter and set default values for batch and streaming
> -----------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-2772
>                 URL: https://issues.apache.org/jira/browse/FLINK-2772
>             Project: Flink
>          Issue Type: Improvement
>          Components: Build System
>            Reporter: Till Rohrmann
>            Priority: Minor
>
> The {{taskmanager.sh}} start up script sets a default garbage collector if the execution mode is {{streaming}} and if no {{env.java.opts}} configuration value has been set. In the batch case, nothing is done. This seems to be inconsistent. Therefore, I propose to add a dedicated configuration parameter for the garbage collector. If the parameter is not set, then a default value is set (e.g. G1 or CMS) for batch and streaming.



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