Zhu Zhu created FLINK-20282:
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Summary: Make invalid managed memory fraction errors more advisory
in MemoryManager
Key: FLINK-20282
URL: https://issues.apache.org/jira/browse/FLINK-20282
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Affects Versions: 1.12.0
Reporter: Zhu Zhu
Fix For: 1.12.0
The invalid managed memory fraction errors[1] reported from MemoryManager are
not advisory for users to solve the problem. This error happens when managed
memory is required for a use case but its weight is 0.
I think it would be better to enrich the error message to guide users to
properly configure "taskmanager.memory.managed.consumer-weights".
[1] "Caused by: java.lang.IllegalArgumentException: The fraction of memory to
allocate must within (0, 1], was: 0.0"
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