ASF GitHub Bot commented on ARTEMIS-1807:

Github user franz1981 commented on the issue:

    @clebertsuconic I'm thinking to re-implement it by dividing the mmap in 
several mapped chunks instead of just 1 big one to help the OS to be able to 
map it when it is > Integer.MAX_VALUE 

> File-based Large Message encoding should use read-only mmap
> -----------------------------------------------------------
>                 Key: ARTEMIS-1807
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1807
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: Broker
>    Affects Versions: 2.5.0
>            Reporter: Francesco Nigro
>            Assignee: Francesco Nigro
>            Priority: Major
> File-based LargeServerMessageImpl should use read-only memory mapping while 
> reading the file, in order to:
>  * reduce the number of copiesĀ 
>  * reduce the context switches

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