Hi all,

I'm trying to run a PyFlink unit test to test some PyFlink SQL and where my 
code uses a Python UDF.  I can't share my code but the test case is similar to 
the code here: 
https://github.com/apache/flink/blob/f8172cdbbc27344896d961be4b0b9cdbf000b5cd/flink-python/pyflink/testing/test_case_utils.py
  When I have some simple SQL everything is fine. When I add a more complex 
query I get an error, which looks like it's memory related.


java.lang.IllegalArgumentException: The configured managed memory fraction
for Python worker process must be within (0, 1], was: %s. It may be because
the consumer type "Python" was missing or set to 0 for the config option
"taskmanager.memory.managed.consumer-weights".0.0


In my test case setUp(), I try to set that value like this, but it seems to 
have no effect:

self.t_env.get_config().get_configuration().set_string("taskmanager.memory.managed.consumer-weights",
 "PYTHON:30")


Am I not setting it correctly, or is there something else I need to do to fix 
this error?

Many thanks,

John

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