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https://issues.apache.org/jira/browse/MESOS-8309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16652783#comment-16652783
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Benjamin Mahler commented on MESOS-8309:
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{noformat}
commit 5b8f632e75d3c20be172c1678c04f77ae18cda1a
Author: Benjamin Mahler <[email protected]>
Date:   Tue Oct 16 11:54:25 2018 -0700

    Documented that UUID is a 128 bits (or 16 bytes).

    This came up when James DeFelice was asking about the number
    of bytes in this message. We should document it.

    Review: https://reviews.apache.org/r/69053
{noformat}

> Introduce a UUID message type
> -----------------------------
>
>                 Key: MESOS-8309
>                 URL: https://issues.apache.org/jira/browse/MESOS-8309
>             Project: Mesos
>          Issue Type: Task
>            Reporter: Jan Schlicht
>            Assignee: Jan Schlicht
>            Priority: Major
>              Labels: mesosphere
>             Fix For: 1.5.0
>
>
> Currently when UUID need to be part of a protobuf message, we use a byte 
> array field for that. This has some drawbacks, especially when it comes to 
> outputting the UUID in logs: To stringify the UUID field, we first have to 
> create a stout UUID, then call {{.toString()}} of that one. It would help to 
> have a UUID type in {{mesos.proto}} and provide a stringification function 
> for it in {{type_utils.hpp}}.



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