Date: Mon, 15 Jul 2024 14:35:58 -0700 From: Jim Long <freebsd-questions@umpquanet.com> To: Dan Langille <dan@langille.org> Cc: RW via freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: Unable to limit memory consumption with vfs.zfs.arc_max Message-ID: <ZpWWPh/16gVfJmx4@sfo.umpquanet.com> In-Reply-To: <b35a1c71-71a9-4abe-a65e-a0128015935b@app.fastmail.com> References: <ZjUYzdiz01GgnbX/@sfo.umpquanet.com> <4299f196-1fbe-4590-8668-d023d7044e8d@sentex.net> <ZjVLxKH5LDBZjakR@sfo.umpquanet.com> <3d2f7913-b91d-4d00-a9b4-f37cf1032fc0@app.fastmail.com> <ZpWFhbZFukxWyzMP@sfo.umpquanet.com> <ZpWJa%2BVLW1apLA%2BD@sfo.umpquanet.com> <b35a1c71-71a9-4abe-a65e-a0128015935b@app.fastmail.com>
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Heavens, no. I attached the graph as proof of what ARC is using (green) and what limit is set (blue). The ARC used frequently sails right past the 4G limit. It seems the daily periodic job is one task which can push the kernel to violate the vfs.zfs.arc_max limitation. On Mon, Jul 15, 2024 at 04:59:00PM -0400, Dan Langille wrote: > On Mon, Jul 15, 2024, at 4:41 PM, Jim Long wrote: > > As Bugs Bunny often said, "What a maroon!" > > > > Here's the attached MRTG graph. > > So, fixed? > > -- > Dan Langille > dan@langille.org
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