Meng Zhu reassigned MESOS-9242:

    Assignee: Meng Zhu

> Resources wrapper loses shared resource count information.
> ----------------------------------------------------------
>                 Key: MESOS-9242
>                 URL: https://issues.apache.org/jira/browse/MESOS-9242
>             Project: Mesos
>          Issue Type: Bug
>          Components: allocation
>            Reporter: Benjamin Mahler
>            Assignee: Meng Zhu
>            Priority: Major
> The Resources wrapper stores a {{Resource_}} wrapper type that stores 
> multiple copies of the a shared resource in a single {{Resource_}} with a 
> shared count.
> On the output paths Resources, we lose the shared counts since we convert 
> {{Resource_}} directly back into a single {{Resource}}, even if the shared 
> count was > 1.
> We need to fix this in the following:
> * Implicit cast operator back to repeated ptr field of resource, this is easy 
> to adjust.
> * Resource iteration, since we only expose const iteration, it should be 
> possible to use an iterator adaptor to return the shared resource {{count}} 
> times rather than just once when there are multiple copies.

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