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List:       mesos-user
Subject:    Re: Plan for upgrading protobuf==3.2.0 in Mesos
From:       Anand Mazumdar <anand () apache ! org>
Date:       2017-04-27 17:28:40
Message-ID: CADaQnsq2cjsKQU-pyeh8K649sbpkaYu3kkwC+xY8eE4A4=A0tA () mail ! gmail ! com
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+ dev

Bumping up the thread to ensure it's not missed.

-anand

On Tue, Apr 25, 2017 at 11:01 AM, Zhitao Li <zhitaoli.cs@gmail.com> wrote:
> Dear framework owners and users,
>
> We are working on upgrading the protobuf library in Mesos to 3.2.0 in
> https://issues.apache.org/jira/browse/MESOS-7228, to overcome some protobuf
> limitation on message size as well as preparing for further improvement. We
> aim to release this with the upcoming Mesos 1.3.0.
>
> Because we upgraded the protoc compiler in this process, all generated java
> and python code may not be compatible with protobuf 2.6.1 (the previous
> dependency), and we ask you to upgrade the protobuf dependency to 3.2.0 when
> you upgrade your framework dependency to 1.3.0.
>
> For java, a snapshot maven artifact has been prepared (by Anand Mazumdar's
> courtesy) at
> https://repository.apache.org/content/repositories/snapshots/org/apache/mesos/mesos/1.3.0-SNAPSHOT/
> . Please feel free to play out with it and let us know if you run into any
> issues.
>
> Note that the binary upgrade process should still be compatible: any java or
> based framework (scheduler or executor) should still work out of box with
> Mesos 1.3.0 once released. It is suggested to get your cluster upgraded to
> 1.3.0 first, then come back and upgrade your executors and schedulers.
>
> We understand this may expose inconvenience around updating the protobuf
> dependency, so please let us know if you have any concern or further
> questions.
>
> --
>
> Cheers,
>
> Zhitao Li and Anand Mazumdar,
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