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https://issues.apache.org/jira/browse/FLINK-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-2085.
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> Add an option to the MemoryManager to allocate memory as needed, rather than 
> preallocating it
> ---------------------------------------------------------------------------------------------
>
>                 Key: FLINK-2085
>                 URL: https://issues.apache.org/jira/browse/FLINK-2085
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Local Runtime
>    Affects Versions: 0.9
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 0.9
>
>
> Currently, the memory manager pre-allocates all memory.
> We should introduce an option where it allocates bytes as needed and releases 
> them when not needed any more. This will allow us to run streaming jobs and 
> batch jobs concurrently, without blocking the memory for the streaming jobs.



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