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From Steve Huston <shus...@riverace.com>
Subject RE: Patch implementing SO_KEEPALIVE on sockets
Date Mon, 10 Mar 2014 22:56:52 GMT
Hi Andreas,

Curious... Did you try to use AMQP heartbeats to alleviate the problem? Missed heartbeats
would have killed the TCP connection whether TCP keepalives were on (which should usually
be the default) or not.


> -----Original Message-----
> From: Andreas Piesk [mailto:a.piesk@gmx.net]
> Sent: Monday, March 10, 2014 3:49 PM
> To: dev@qpid.apache.org
> Subject: Patch implementing SO_KEEPALIVE on sockets
> Hello list,
> we had some problems with qpid-0.14 (i know, it's ancient -:): lots of
> orphaned connections (open on qpid-server but not on the client side) due
> firewalls, i guess.
> To mitigate the problem i wrote a patch for qpid-cpp implementing a new
> option --tcp-keepalive (similar to --tcp-nodelay) which sets SO_KEEPALIVE.
> Enabling keep_alive "solved" our issue but i'm not sure what to do with the
> patch because it's for an old version and needs some rewriting for the
> current version of qpid.
> Unfortunately i'm unable to adapt it to the current version for various
> reasons:
> - i'm no developer, i barely scratch my itches
> - lack of time
> So i simply post the patch here, maybe someone else has plans to add
> keepalive in trunk and maybe the patch helps.
> Regards,
> -ap

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