[jira] [Created] (FLINK-22751) Reduce JVM Metaspace memory for StateFun

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-22751:
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             Summary: Reduce JVM Metaspace memory for StateFun
                 Key: FLINK-22751
                 URL: https://issues.apache.org/jira/browse/FLINK-22751
             Project: Flink
          Issue Type: Sub-task
          Components: Stateful Functions
            Reporter: Stephan Ewen


Flink by default reserves quite a lot of metaspace memory (256 MB) out of the total memory budget, to accommodate applications that load (and reload) a lot of classes. That is necessary because user code is executed directly in the JVM.

StateFun by default doesn't execute code in the JVM, so it needs much less Metaspace memory. I would suggest to reduce the Metaspace size to something like 64MB or 96MB by default.

{{taskmanager.memory.jvm-metaspace.size: 64m}}.



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