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https://issues.apache.org/jira/browse/MESOS-9258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16682078#comment-16682078
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Joseph Wu commented on MESOS-9258:
----------------------------------

Alternative proposal for bounding the max number of subscribers:
https://reviews.apache.org/r/69307/

This one requires almost no client-side changes (as long as clients already 
retry when disconnected) and the code changes are also somewhat minimal from a 
backporting perspective.

> Consider making Mesos subscribers send heartbeats
> -------------------------------------------------
>
>                 Key: MESOS-9258
>                 URL: https://issues.apache.org/jira/browse/MESOS-9258
>             Project: Mesos
>          Issue Type: Improvement
>          Components: HTTP API
>            Reporter: Gastón Kleiman
>            Assignee: Joseph Wu
>            Priority: Critical
>              Labels: mesosphere
>
> Some reverse proxies (e.g., ELB using an HTTP listener) won't close the 
> upstream connection to Mesos when they detect that their client is 
> disconnected.
> This can make Mesos leak subscribers, which generates unnecessary 
> authorization requests and affects performance.
> We should evaluate methods (e.g., heartbeats) to enable Mesos to detect that 
> a subscriber is gone, even if the TCP connection is still open.



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