Date: Wed, 13 Dec 2017 21:57:46 -0800 From: Mark Millard <markmi@dsl-only.net> To: Peter Jeremy <peter@rulingia.com> Cc: Gary Palmer <gpalmer@freebsd.org>, blubee blubeeme <gurenchan@gmail.com>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: get_swap_pager(x) failed Message-ID: <1DBEABD8-91C8-430B-A15A-9DEAC1FE8B12@dsl-only.net> In-Reply-To: <20171214054320.GA3198@server.rulingia.com> References: <C19068B6-2578-41B8-9076-97448C2AF5CB@dsl-only.net> <CALM2mEnftYe4P=Gqx1tE=jUYDSQq4Wh-7_TqnLV_DJYie8%2BtBw@mail.gmail.com> <20171213112346.GA27816@in-addr.com> <20171214054320.GA3198@server.rulingia.com>
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On 2017-Dec-13, at 9:43 PM, Peter Jeremy <peter@rulingia.com> wrote: > On 2017-Dec-13 11:23:46 +0000, Gary Palmer <gpalmer@freebsd.org> wrote: >> An open question would be why ARC is not reducing if the system is >> under memory pressure. It's meant to, but there have been various >> bugs in that implementation. > > The OP doesn't say what version of -current he is running but I would > point the finger at r325851. I have discovered that, in 11-stable, > r326619 (which is the MFC of r325851) stops ARC responding to memory > backpressure. See also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224080 (bugzialla 224080 ) about problems with zfs from head -r326347 . bugzilla 224330 is another -r326347 problem report (based on some list reports) but that are for problems in some non-zfs contexts. === Mark Millard markmi at dsl-only.net
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