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From "Robbie Gemmell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PROTON-1496) C epoll proactor needs better timer implementation for connections
Date Wed, 23 May 2018 13:58:00 GMT

     [ https://issues.apache.org/jira/browse/PROTON-1496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robbie Gemmell updated PROTON-1496:
-----------------------------------
    Fix Version/s:     (was: proton-c-0.23.0)
                   proton-c-0.24.0

> C epoll proactor needs better timer implementation for connections
> ------------------------------------------------------------------
>
>                 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
>         Environment: Linux environments with epoll support
>            Reporter: Cliff Jansen
>            Assignee: Alan Conway
>            Priority: Major
>             Fix For: proton-c-0.24.0
>
>
> 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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