Andrey Zagrebin created FLINK-14399:
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             Summary: Add memory chunk reservation API to MemoryManager
                 Key: FLINK-14399
                 URL: https://issues.apache.org/jira/browse/FLINK-14399
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Task
            Reporter: Andrey Zagrebin
            Assignee: Andrey Zagrebin


MemoryManager allocates paged segments from the provided memory pools of 
different types (on-/off-heap). Additionally, it can manage reservation and 
release of arbitrarily sized chunks of memory from the same memory pools 
respecting their overall limit. The way, how the memory is allocated, used and 
freed, is then up to the memory user. MemoryManager is just a book-keeping and 
limit checking component.



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