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Posted to dev@flink.apache.org by "Yu Li (JIRA)" <ji...@apache.org> on 2019/05/31 13:21:00 UTC

[jira] [Created] (FLINK-12696) Implement a MmapManager

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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