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https://issues.apache.org/jira/browse/PROTON-1496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233547#comment-17233547
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Robbie Gemmell commented on PROTON-1496:
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Further fixup made via PROTON-2304 was included in 0.33.0 RC3.
> epoll proactor - improved timers implementation with single timerfd kernel
> resource
> -----------------------------------------------------------------------------------
>
> Key: PROTON-1496
> URL: https://issues.apache.org/jira/browse/PROTON-1496
> Project: Qpid Proton
> Issue Type: Improvement
> Components: proton-c
> Affects Versions: proton-c-0.18.0, proton-c-0.32.0
> Environment: Linux environments with epoll support
> Reporter: Clifford Jansen
> Assignee: Clifford Jansen
> Priority: Major
> Fix For: proton-c-0.33.0
>
>
> The epoll proactor allocates a timerfd per connection. This is a convenience
> for the initial implementation and may surprise some applications running
> into system limits on file descriptors twice as fast as expected.
> The timer is used for heartbeats. It should be possible to write a
> per-proactor heartbeat timer that is shared among the connections
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