Date: Sun, 18 Nov 2018 17:53:52 +0100 (CET) From: Wojciech Puchar <wojtek@puchar.net> To: Stefan Blachmann <sblachmann@gmail.com> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, Ian Lepore <ian@freebsd.org>, Wojciech Puchar <wojtek@puchar.net>, freebsd-hackers Hackers <freebsd-hackers@freebsd.org>, Rebecca Cran <rebecca@bluestop.org>, Mark Johnston <markj@freebsd.org> Subject: Re: 13-CURRENT: several GB swap being used despite plenty of free RAM Message-ID: <alpine.BSF.2.20.1811181752010.24142@puchar.net> In-Reply-To: <CACc-My33oRg7eqjfDuEQU51inyydc66Hx%2B-DysqmdKyyMVVJsA@mail.gmail.com> References: <freebsd-hackers@freebsd.org> <F5ACF6D0-DBD7-416F-9AAC-7709771FE545@yahoo.com> <201811180154.wAI1smhg049214@slippy.cwsent.com> <CACc-My33oRg7eqjfDuEQU51inyydc66Hx%2B-DysqmdKyyMVVJsA@mail.gmail.com>
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why someone changes WELL WORKING swapping algorithm? On Sun, 18 Nov 2018, Stefan Blachmann wrote: > So I guess the unwillingness of the developer team to add an option > like "NoPreemptiveSwapping", which disables swapping out as long as > there is free physical memory available, is of psychological nature. in FReeBSD 12 there is vm.swap_idle_threshold2: 10 vm.swap_idle_threshold1: 2 vm.swap_idle_enabled: 0 which works as expected and can be turned on or off as required. what's wrong with it
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