Xintong Song created FLINK-21798:
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Summary: Guard MemorySegment against multiple frees.
Key: FLINK-21798
URL: https://issues.apache.org/jira/browse/FLINK-21798
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Reporter: Xintong Song
Fix For: 1.13.0
As discussed in FLINK-21419, freeing a memory segment for multiple times
usually indicates the ownership of the segment is unclear. It would be good to
gradually getting rid of all such multiple-frees.
This ticket tracks the effort that:
* Guard memory segment against multiple frees, ensuring the underlying memory
is only released once.
* Introduce a configuration option to explicitly fail on multiple-frees, which
helps detects the cases.
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