Yu Li created FLINK-12696:
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Summary: Implement a MmapManager
Key: FLINK-12696
URL: https://issues.apache.org/jira/browse/FLINK-12696
Project: Flink
Issue Type: Sub-task
Components: Runtime / State Backends
Reporter: Yu Li
Assignee: Yu Li
Since we plan to use mmap to accelerate the state read/write against the
spilled (on-disk) KeyGroup, we need a {{MmapManager}} to manage the mmap-ed
files, pretty much like the [MemoryMappedFileManager|https://s.apache.org/85BP]
in log4j2.
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