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https://issues.apache.org/jira/browse/MESOS-2340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14345681#comment-14345681
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Yan Xu commented on MESOS-2340:
-------------------------------
The 'label' on the ZNode can help with this right? If old label is 'masterInfo'
and new label is 'masterInfoJson' the slaves (upgraded first) can parse them
accordingly.
> Publish JSON in ZK instead of serialized MasterInfo
> ---------------------------------------------------
>
> Key: MESOS-2340
> URL: https://issues.apache.org/jira/browse/MESOS-2340
> Project: Mesos
> Issue Type: Improvement
> Reporter: Zameer Manji
>
> Currently to discover the master a client needs the ZK node location and
> access to the MasterInfo protobuf so it can deserialize the binary blob in
> the node.
> I think it would be nice to publish JSON (like Twitter's ServerSets) so
> clients are not tied to protobuf to do service discovery.
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