From owner-freebsd-stable@freebsd.org Wed Feb 17 23:07:56 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CA328AAB194 for ; Wed, 17 Feb 2016 23:07:56 +0000 (UTC) (envelope-from allbery.b@gmail.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id AA8EA118B for ; Wed, 17 Feb 2016 23:07:56 +0000 (UTC) (envelope-from allbery.b@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id A7D2FAAB192; Wed, 17 Feb 2016 23:07:56 +0000 (UTC) Delivered-To: stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A749CAAB191; Wed, 17 Feb 2016 23:07:56 +0000 (UTC) (envelope-from allbery.b@gmail.com) Received: from mail-vk0-x229.google.com (mail-vk0-x229.google.com [IPv6:2607:f8b0:400c:c05::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 61143118A; Wed, 17 Feb 2016 23:07:56 +0000 (UTC) (envelope-from allbery.b@gmail.com) Received: by mail-vk0-x229.google.com with SMTP id e185so29045360vkb.1; Wed, 17 Feb 2016 15:07:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=8zw/ZsQDQURhIz6vnZ15Enm7fJv7L+aAj3ua1r3k8BI=; b=k58ABNU4NPKDwaKCV4QkGiZqydrgOUyapLwzYciJb1xNaO5dQuqzvqaAl8sK4emnh3 cjPNr+b168C0SGDe3rUeMCvyHGUCoLxcSwlB8K/cE691FPrOvjYalDwqU7saI5lxt9Me 8RQ2pp4iwbIx1+S6LXMFPMRRarLe8b2UdeAkmijQquNTaBsrZHVYMFV6rvP7RAdYqL2J Wfa46zDwwLZJpLOUZr83D7D1Lr4/5UMgB8ABS25WpwBdS59gzuDNSAs8X2Da2PKxfnAg hwy/dpxjcxoFi1H3ZqjjSEkYcXgz5WaCGrKAzJKS6stfkCOZL0WmcDAk8uYKWZhFSa3/ Ybwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=8zw/ZsQDQURhIz6vnZ15Enm7fJv7L+aAj3ua1r3k8BI=; b=lsqxD0AF26tmWHzjw6pqJZVtyYL4MctLpxW15k2ZIbiQc9K+tQAHS15DJZbBKjUe5n zwbHV9DT51EmbDFdkzusF0G2N6ehrkHZT6vtb+B36fR+BiVmqwqO5ZqPmfr6HCD1Plq4 erXLNdLLdt07FtCiHVZkTdoneC8mz7/wd3HBOmQv0iN/GS/dqN5qElayEEFBl2PYmq6T gACoymJSJh7vFyeP0Dc1ZEggdLlDkYUZ+UoHsQFXhGKw4gdJzpiPzKA5eY+BrWajXj1G wIt/ZEGzWnw1Rmt+F3N+rVn+9gTzEeMZ4mppmXx7anQPgpfiVpOC1raw5MKhQaTBD46Y ddUQ== X-Gm-Message-State: AG10YOTDX6uY3qa+/VkB09L01HTa7KL5Qo3800aZx8Z8XiJRFNatY5g5MmuRC0PY7NnZ59mEg7jaq322zWJ2bg== MIME-Version: 1.0 X-Received: by 10.31.14.149 with SMTP id 143mr3623093vko.3.1455750475345; Wed, 17 Feb 2016 15:07:55 -0800 (PST) Received: by 10.176.3.44 with HTTP; Wed, 17 Feb 2016 15:07:55 -0800 (PST) In-Reply-To: <20160217230138.GJ89208@strugglingcoder.info> References: <56C4AF81.3040202@motumweb.com> <87f6fb602e0ad11b7600c70a08d74c30@dweimer.net> <56C4C244.8070805@motumweb.com> <56C4F7E9.9090405@motumweb.com> <20160217230138.GJ89208@strugglingcoder.info> Date: Wed, 17 Feb 2016 18:07:55 -0500 Message-ID: Subject: Re: intr using Swap From: Brandon Allbery To: hiren panchasara Cc: "Efra?n D?ctor" , owner-freebsd-stable@freebsd.org, "stable@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Feb 2016 23:07:56 -0000 On Wed, Feb 17, 2016 at 6:01 PM, hiren panchasara < hiren@strugglingcoder.info> wrote: > Yes, I've seen this too. Inact end up accumulating a very large chunk of > memory leaving Free to very low. > > What VM/pagedaemon seems to care about is Free+Cache and not just Free. > I kind of get that Free mem is wasted mem but putting everything in Inact > to the point that machine has to go into swap when a sudden need arises > also doesn't seem right. > If the file cache is "hot" but some working storage that was used at boot and will never be touched again is lying around (or, perhaps, that getty listening on a virtual console you never use), it makes perfect sense to push that out to swap. "Swap in use" does not mean "memory management problems". -- brandon s allbery kf8nh sine nomine associates allbery.b@gmail.com ballbery@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net