Date: Fri, 18 Feb 2005 17:38:21 +0300 From: Deomid Ryabkov <myself@rojer.pp.ru> To: ALeine <aleine@austrosearch.net> Cc: freebsd-hackers@freebsd.org Subject: Re: occasional ECONNREFUSED when connect()ing. Message-ID: <4215FDDD.40605@rojer.pp.ru> In-Reply-To: <200502171834.j1HIYVCL072428@marlena.vvi.at> References: <200502171834.j1HIYVCL072428@marlena.vvi.at>
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This is a cryptographically signed message in MIME format. --------------ms050408060204000706070506 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit ALeine wrote: >>After further investigation and digging, I uncovered the true cause of >>the error: connect() returning ECONNREFUSED. >> >> > >You are probably exhausting the queue of pending connections, you may want >to read man 2 listen and use sysctl to set kern.ipc.somaxconn accordingly. > > no, can't be. server and client are completely synchronous, in the sense that there are no pending requests at all. new connection is opened only after previos has been closed. besides, i set backlog = 511 when calling listen(). kern.ipc.somaxconn is 128, but you see that errors start to appear even before that number of requests. -- Deomid Ryabkov aka Rojer myself@rojer.pp.ru rojer@sysadmins.ru ICQ: 8025844 --------------ms050408060204000706070506 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; 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