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

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-2772:
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             Summary: 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
            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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