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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-2085) Add an option to the MemoryManager to allocate memory as needed, rather than preallocating it
Date Fri, 22 May 2015 16:36:17 GMT

     [ https://issues.apache.org/jira/browse/FLINK-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stephan Ewen updated FLINK-2085:
--------------------------------
    Issue Type: Sub-task  (was: New Feature)
        Parent: FLINK-2084

> 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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