From nobody Tue Dec 27 20:34:25 2022 X-Original-To: freebsd-jail@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4NhRGC2J7Pz1HcSb for ; Tue, 27 Dec 2022 20:34:27 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-oi1-x22c.google.com (mail-oi1-x22c.google.com [IPv6:2607:f8b0:4864:20::22c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4NhRGC0LHTz4Q7t for ; Tue, 27 Dec 2022 20:34:27 +0000 (UTC) (envelope-from mjguzik@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-oi1-x22c.google.com with SMTP id d127so11939387oif.12 for ; Tue, 27 Dec 2022 12:34:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=A5NZ/6fJakOXPgNBER5OOkVUKnU3FIVR6vY31AWGtl8=; b=g945Oayb0IQjWFp6d6soqs3p9GpiAiOSovmSCeeD7vdlwpF8Hy0glp4exKkqDHEar1 GKK8mV6l2flnmE/f3rdnHN+Tzm3y8+RSkSmZ1YmU9h2t5HwWlRPtWfyCwPhv2zkaSd4o XW0//EEF3oUi8nsFmuY67pRV9XvnH5KL9num9Uy4snxcDbibSOIsvzgTuiI9HYbi85uC 8SQ6bSv/S2rFrx1Vjg79wYnu5nqwUzjoz07ry3sY0rgZobcvmwsGP8/wAklQYPN/pcAD nxnXxnCIF576IHNbQGcIQjS3GkSARfmfITZZcWLlB4WfNzQKa5wyLWqZ1qRPUD7O5RpG b9LA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=A5NZ/6fJakOXPgNBER5OOkVUKnU3FIVR6vY31AWGtl8=; b=QtZpWPHlu5og0NlVu+qcB/ElEWCaWuJWqMACeAy6r3UadM1e+65D1drtkntEvENv0t f161PJmUDn7Cjx8AWhS/N9N5tKioyYA8VnvMKp9Mnqb2e7UtFdkgRX03gvIFXGadPKSI kkSX8VjOiDk2pmBox2FqrsLlfEXbijcx3vVJ3bVphZyLvXrNL4G4xN4sUyEHwsd15im1 oTMUA3wpV4DIPtOghRSdJejL9r14mX7CRIFwyoxIku6ambXbvzWv0zmSLynm6Sl24sAC G4jtW57kxXU9A8k4R6OIcNwqI3H6GoM3gtJlz4ElYNDIYB4iUBi8IBPELoKzu8H9Dqdj E2Bg== X-Gm-Message-State: AFqh2krWtnr8NATadxenbp0r/yglqhuJrezGBaRCR07djsN925qeuALy /rBUGs2Ghrvl0tQEUO4BUt5R0I3hyX1WWgJ1ukZq90el X-Google-Smtp-Source: AMrXdXuKwvlWDDgttSRhelEnGh5Pv5M7dFOAvowvT6pzxZlK+/Hu6hBSQo9cdPWdef3hXqmK1RqH6Z2fLMsmCqOf3a8= X-Received: by 2002:a05:6808:2:b0:35a:c014:9ca0 with SMTP id u2-20020a056808000200b0035ac0149ca0mr1175913oic.159.1672173265647; Tue, 27 Dec 2022 12:34:25 -0800 (PST) List-Id: Discussion about FreeBSD jail(8) List-Archive: https://lists.freebsd.org/archives/freebsd-jail List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-jail@freebsd.org MIME-Version: 1.0 Received: by 2002:ac9:77d5:0:b0:491:8368:9bdd with HTTP; Tue, 27 Dec 2022 12:34:25 -0800 (PST) In-Reply-To: <86sfh0pquo.fsf@virtual-earth.de> References: <86sfh0pquo.fsf@virtual-earth.de> From: Mateusz Guzik Date: Tue, 27 Dec 2022 21:34:25 +0100 Message-ID: Subject: Re: debian jail, setting max open files soft limit does not work To: Mathias Picker Cc: freebsd-jail@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4NhRGC0LHTz4Q7t X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-ThisMailContainsUnwantedMimeParts: N On 12/27/22, Mathias Picker wrote: > Hi all, > > > I=E2=80=99ve set up a jail on 13.1 running debian stretch, and now a > triplestore needing many openfiles for a data import. > > Since on Linux the soft limit is pretty hard :) I need to set the > soft limit. > > I=E2=80=99ve edited /etc/security/limits.conf to set soft and hard limit > to 20000 (just to check), but after login the soft limit stays at > 1024. > > Using prlimit I can change the limits of a running process, but > that is not passed on to subprocesses, which the app creates > constantly for import, there, the soft limit returns to 1024 :( > > Running prlimit --nofile 20000 or prlimit --nofile 20000:20000 > does not work, either, the soft limit stays at 1024, and the > import fails. > > Does anyone know a way to change the soft limit permenantly? > kernel code is buggy here, from a quick read you should be able to work around it by: sysctl compat.linux.default_openfiles=3D-1 --=20 Mateusz Guzik