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https://issues.apache.org/jira/browse/MESOS-7922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16144168#comment-16144168
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Michael Park commented on MESOS-7922:
-------------------------------------
https://reviews.apache.org/r/61952
> Fix communication between old masters and new agents.
> -----------------------------------------------------
>
> Key: MESOS-7922
> URL: https://issues.apache.org/jira/browse/MESOS-7922
> Project: Mesos
> Issue Type: Bug
> Components: agent, master
> Reporter: Michael Park
> Assignee: Michael Park
>
> For re-registration, agents currently send the resources in tasks
> and executors to the master in the "post-reservation-refinement" format,
> which is incompatible for pre-1.4 masters. We should change the agent
> such that it always downgrades the resources to
> the "pre-reservation-refinement" format, and the master unconditionally
> upgrade the resources to "post-reservation-refinement" format.
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