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https://issues.apache.org/jira/browse/PROTON-586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Ross updated PROTON-586:
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Fix Version/s: 0.16.0
> Driver spins when a listener accepts a socket while FDs are all in use
> ----------------------------------------------------------------------
>
> Key: PROTON-586
> URL: https://issues.apache.org/jira/browse/PROTON-586
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: 0.7
> Reporter: Ted Ross
> Assignee: Alan Conway
> Fix For: 0.16.0
>
>
> when operating as a server and using listeners, if the number of open FDs is
> equal to the limit on FDs, accept will return an error and the driver will
> spin at 100% cpu until an FD is freed up for the incoming connection.
> Suggested fix:
> If "accept" returns a "too many open files" error (ENFILE or EMFILE), the
> listening socket should be taken out of the read-fds for a time (say one
> second) before retrying.
> If this is not practical to do in Proton, the driver should provide hooks for
> the encapsulating application to use to provide this holdoff.
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