From owner-freebsd-questions@freebsd.org Sun Sep 12 00:15:14 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 4C28167A334 for ; Sun, 12 Sep 2021 00:15:14 +0000 (UTC) (envelope-from tomek@cedro.info) Received: from mail-oi1-x22b.google.com (mail-oi1-x22b.google.com [IPv6:2607:f8b0:4864:20::22b]) (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 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H6VVn25wvz4qwG for ; Sun, 12 Sep 2021 00:15:13 +0000 (UTC) (envelope-from tomek@cedro.info) Received: by mail-oi1-x22b.google.com with SMTP id v2so8780857oie.6 for ; Sat, 11 Sep 2021 17:15:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cedro.info; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ahGmUSKwpfL565jhUsOFjz6q05FYrlB/URCgHhniJyk=; b=HY+EEoOLVFTB03ub3ahD3UOgvZHx4Zf6okNLjK/PR1i/nWsIfUWySVyR7OUEkwG2C/ DaMPeeIZevkgpNd4i1xWkZupfLG5huSkjopDZ0Hj/CZll78aLIakXwtxL70O9xRHe907 C24U6608bgRyRTsEMqI5FDagg5iIdb6Xfaw0I8N75KMj4b48yHdf642Xzzd2H3RjRZEZ dqjoXP4VoNf6e28+2mUjI1QmZADF0FlBwo2gwW/EEenmFFOg+yBvYa8k5IJcbzbyJGhP jiFoAD2yhDj9FpWeF+UxJh3AzC0K7tJhakRguJtsc9yS1BnsqIg+Wlcp0zOyLbFKC5QH /DhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ahGmUSKwpfL565jhUsOFjz6q05FYrlB/URCgHhniJyk=; b=ve6cJH65cjfUgfiZTOISFFJh9tCxQgVmd/DzGrVRr5X4bZAvxHc3O3HanNhv0aUJYN ZVUr9pxKI89Fxw8n2jWgq0WxgvQkz+e7vNSxbKXlEcA0pAp3FwN+a5p+6SHpRJKbUwK/ XAgLLsKTZgNES7PZA+ljlWaxROZHjs4mHRR8hc3NxWUqyt92eto3UdQfNEHqzWLBo7WC BIXEyuy8KomDcfwudMpRqFByf+oYXjcCOvZ6iMUFyYvaWo+oP2XIb8Ey/s/pVKZLqSnA kV/bMeDomtgiScAc294HvQqz3/fjBhCcknJwPTc1oEMAzwivGkcmFK0eTD7bxxKmNfG9 7N7w== X-Gm-Message-State: AOAM532rjfmGnZWakUeFS5Q93U8ftm528+lIOlpylv7ov0lgo4A9Ryda +ZUV/TyFF8C5iapOULV4f+1q83/iWLdOnRCBkIbgew== X-Google-Smtp-Source: ABdhPJxVWq4+d27XBnJzZgnddz+zpDPge/WShr/yr3uE/yDasotW0SBDQFCsIwYfMgSpP8o2/qugXIIbvg2dEyQO9Qs= X-Received: by 2002:a05:6808:199b:: with SMTP id bj27mr3065484oib.129.1631405712251; Sat, 11 Sep 2021 17:15:12 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Tomasz CEDRO Date: Sun, 12 Sep 2021 02:14:31 +0200 Message-ID: Subject: Re: boot/shutdown times To: Brian Wood Cc: FreeBSD Questions Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4H6VVn25wvz4qwG X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=cedro.info header.s=google header.b=HY+EEoOL; dmarc=none; spf=none (mx1.freebsd.org: domain of tomek@cedro.info has no SPF policy when checking 2607:f8b0:4864:20::22b) smtp.mailfrom=tomek@cedro.info X-Spamd-Result: default: False [-1.32 / 15.00]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[cedro.info:s=google]; NEURAL_HAM_MEDIUM(-0.99)[-0.991]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.96)[0.959]; NEURAL_HAM_LONG(-0.99)[-0.993]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; DMARC_NA(0.00)[cedro.info]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[cedro.info:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::22b:from]; R_SPF_NA(0.00)[no SPF record]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Sep 2021 00:15:14 -0000 On Sun, Sep 12, 2021 at 1:35 AM Brian Wood wrote: > I haven't measured, but it seems like boot and shutdown times > have improved over the years, but that they are still a lot slower > than Linux. Is there more that can be done to improve these > times? Thanks. My FreeBSD box boots/shutdowns quickly. I would say way faster than Linux (i.e. (L)Ubuntu or Kali). Since I started using ZFS root I never even had to fsck. I noticed that replacing HDD with SSD brings dramatic speed up to the whole system even on older machines. M2 SSD are even faster (assuming hardware has support for it). I can also see a dramatic difference in boot/shutdown/work speed of Lubuntu Linux when working on a machine using SSD (very fast), HDD (standard), SD card (slow), and USB3.0 Pendrive (extremely slow like 20x slower than HDD). This also depends on kernel version and built in configuration. Linux uses initramfs. That may be the source of speed up? Maybe with FreeBSD you could put its boot and/or base into ramfs I wonder how would that speed things up? :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info