Yuxin Tan created FLINK-32576:
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Summary: ProducerMergedPartitionFileIndex supports spilling to file
Key: FLINK-32576
URL: https://issues.apache.org/jira/browse/FLINK-32576
Project: Flink
Issue Type: Bug
Components: Runtime / Network
Affects Versions: 1.18.0
Reporter: Yuxin Tan
Assignee: Yuxin Tan
When running a very large-scale job, ProducerMergedPartitionFileIndex may
occupy too much heap memory and cause OOM.
To resolve the issue, ProducerMergedPartitionFileIndex should support spilling
to file to release the occupied memory when necessary.
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