Date: Thu, 7 Jun 2018 15:02:29 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Shane Ambler <Shane@ShaneWare.Biz> Cc: Peter Jeremy <peter@rulingia.com>, freebsd-stable@freebsd.org Subject: Re: ZFS+find(1) wiring all RAM Message-ID: <20180607120229.GE1954@zxy.spb.ru> In-Reply-To: <1da884f4-1442-9bba-02d3-2cedadf97a06@ShaneWare.Biz> References: <20180607063924.GG1697@server.rulingia.com> <1da884f4-1442-9bba-02d3-2cedadf97a06@ShaneWare.Biz>
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On Thu, Jun 07, 2018 at 07:04:29PM +0930, Shane Ambler wrote: > On 07/06/2018 16:09, Peter Jeremy wrote: > > I've noticed that 11-stable/amd64 has been wiring seemingly excessive > > amounts of RAM for some time (the problem goes back at least 6 months). > > This extends to getting ENOMEM errors from g_io_deliver() and out-of-swap > > errors killing processes on a low-memory system. I'm not sure when it > > started by it seems to hawe gotten worse between r331535 and r334494. > > Don't know if this will help you at all -- > > I have seen excess wired for a few years, since 10.1, I now run > 11-stable, my experience has seen the severity varying over time. > > I first reported this 28/10/2014 related to heavy disk use on a zpool. > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194654 > > The inability to get solid repeatable steps to reproduce have prevented > me from chasing this more. Can you try https://reviews.freebsd.org/D7538 ? I am try in this patch to resolve trouble w/ wired and unused memory by ARC.
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