From owner-freebsd-hackers@freebsd.org Tue Dec 26 17:33:23 2017 Return-Path: Delivered-To: freebsd-hackers@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 DEF1DEA4574 for ; Tue, 26 Dec 2017 17:33:23 +0000 (UTC) (envelope-from debdrup@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 BB39D7FA38 for ; Tue, 26 Dec 2017 17:33:23 +0000 (UTC) (envelope-from debdrup@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id BA7ACEA4573; Tue, 26 Dec 2017 17:33:23 +0000 (UTC) Delivered-To: hackers@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 B9E12EA4572 for ; Tue, 26 Dec 2017 17:33:23 +0000 (UTC) (envelope-from debdrup@gmail.com) Received: from mail-pg0-x22d.google.com (mail-pg0-x22d.google.com [IPv6:2607:f8b0:400e:c05::22d]) (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 8E6707FA37 for ; Tue, 26 Dec 2017 17:33:23 +0000 (UTC) (envelope-from debdrup@gmail.com) Received: by mail-pg0-x22d.google.com with SMTP id i5so1971467pgq.11 for ; Tue, 26 Dec 2017 09:33:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=TSI+G1Dyjmuuou831OZecg/6S3DcGK9YJaIb3FaaEnA=; b=GqU59IvqAO6XFlXIs2l7s/KV0Uztcuvaij30yeZV1WOy6jhzAcb9MFTdKoU1IaMu1N CNjcPwrv9nwe+hKY06LjXzO7RqbPb+DH9tU3rVj72yDCYP9HaujoyFKIAZXCHK8WGCTN AQP18Ta3Q0u3Mgtzc5Sr7D3D1OPiN36Qhl8KsLYqXxRza3QSrZ+BQCQe3Nuf25Tbb4Qj ZdgV7rtKTCzF6BUeChmMIIoUjnReNr6CwQ/QCWJH6rplpl5crRDGr//27mbTU0ADd++F Zsk0YF/Y9PT7fF2R4orEen4zvkr7CqbyrRpN2YgbZQ6uGTqrADTqblZwlT3paU5WaEYy ZlEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=TSI+G1Dyjmuuou831OZecg/6S3DcGK9YJaIb3FaaEnA=; b=XU5KKLvOmduZmuPM9O8FdkBzbIrk4O/7y/d5W7P+sM+MiTpBGNnJcTUOIZX19vnkaH Fxw8CdnNeBYMFE/nqmfukAKoG8y8rNr4JYZDFMgKYjKCXlOfFlqXU1+g4UXrd9tBHUsI XvNRINajKmpZS77ikqmv2VDEjg0O46DYNaK6zg62SacwRT+4EPzvCCifZK5e42JVFisv SCpo30nmFqZP8ttMehmwm1eLo3SDM1FdeDrpdGX89WVcoeWjgncs0V4K//nEGKRv9iZb /DZ1IC9HaqXVQ+BgFb7DlJ1Me+EX4lqFnn8N4YsmMP/PPU+8wXZ5NsdTo4ZQJSsJoE7U G+YQ== X-Gm-Message-State: AKGB3mIQ0O94ixPDhCj2JjJ9aDWl3Cde8r5punH2hU9ieIMvqiEUOwn+ 2jgoI9zLzJM8bCYPcfF3YMk/jXZj7JTravyILlmueA== X-Google-Smtp-Source: ACJfBosPOjLxawBlaqWDo//jA0xKNm1irPnq76bHOySzY7bHJOBTHEOdKbdObnTdC1MG2Lw+C+HCHVe7HoguJP8+bBU= X-Received: by 10.98.181.25 with SMTP id y25mr11520302pfe.206.1514309602945; Tue, 26 Dec 2017 09:33:22 -0800 (PST) MIME-Version: 1.0 Received: by 10.100.247.140 with HTTP; Tue, 26 Dec 2017 09:33:22 -0800 (PST) From: "D. Ebdrup" Date: Tue, 26 Dec 2017 18:33:22 +0100 Message-ID: Subject: RE: OOM problem? To: hackers@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Dec 2017 17:33:24 -0000 In looking through sys/vm/vm_pageout.c to find out whether a problem on Illumos relating to process swapping (bug here: https://www.illumos.org/issues/6583) also has any relevance to FreeBSD (because CarlosN26157061 on Twitter mentioned it), I noticed that the code has been relatively untouched since its import from 4.xBSD sources, and got to thinking of this thread and was wondering if it's somehow related, and whether FreeBSD should also get rid of process swapping. If not, please excuse my interruption in this thread. >Hi hackers, >I've been playing around on a box that Netflix loaned me, I'm thinking >about novel ways to deal with NUMA issues. >[snip] >Thanks, >--lm Daniel Ebdrup aka. D. Ebdrup.