Date: Wed, 27 Sep 2017 12:51:18 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Guido Falsi <madpilot@FreeBSD.org>, "O. Hartmann" <o.hartmann@walstatt.org> Cc: "O. Hartmann" <ohartmann@walstatt.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: net/asterisk13: memory leak under 12-CURRENT? Message-ID: <31faf367-69e2-b7e3-dd14-67bf69a67ec2@selasky.org> In-Reply-To: <b0a72fdb-ad41-abab-fbde-4caa73799719@FreeBSD.org> References: <20170926144522.21e59cfe@freyja.zeit4.iv.bundesimmobilien.de> <979b6cfe-0e38-5df3-7bb5-cdb8de6677bf@FreeBSD.org> <20170926154155.28deb2e1@freyja.zeit4.iv.bundesimmobilien.de> <b0a72fdb-ad41-abab-fbde-4caa73799719@FreeBSD.org>
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On 09/27/17 09:05, Guido Falsi wrote: > On 09/26/2017 15:41, O. Hartmann wrote: >> On Tue, 26 Sep 2017 15:06:23 +0200 >> Guido Falsi <madpilot@FreeBSD.org> wrote: > >> Since I run net/asterisk with automatic module loading (I'm new to asterisk), >> this is very likely and might cause the problem somehow. >> > > You can exclude single modules from autoloading via modules.conf. > >>> Not sure, restarting the daemon should free any leaked memory the daemon >>> has. If a killed process leaves memory locked at the system level there >>> should be some other cause. >> >> Even with no runnidng asterisk, memory level drops after the last shutdown of >> asterisk and keeps that low. Even for weeks! My router never shows that high >> memory consumption, even under load. > > But while asterisk is running does the memory usage increase unbounded > till filling all available memory or does it stabilize at some point? > > Asterisk is relatively memory hungry, especially with all modules > enabled. It also caches and logs various information in RAM, even doing > "nothing" it will cache and log that "nothing" activity. If memory does > stabilize after some point it's not really a leak but it's standard > memory usage. To reduce it you should disable all unused modules. > >> >> The question would be: how to use vmstat to give hints for those familiar with >> memory subsystems to indicate a real bug? >> >> I tried to find some advices, but maybe my English isn't good enough to make >> google help. > > I'm not able to give you a correct indication, but if the memory usage > is not increasing indefinitely but is stabilizing I'd say it's not > really a leak. > Did you look at the output from "vmstat -m" and "vmstat -z" ? --HPS
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