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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