Date: Fri, 1 Sep 2017 21:33:07 +0000 From: Colin Percival <cperciva@tarsnap.com> To: Rafal Lukawiecki <raf@rafal.net>, freebsd-cloud@freebsd.org Subject: Re: Launch and boot times of AWS FreeBSD AMI Message-ID: <0100015e3f5c9ca6-5867960d-56cb-4292-965a-eb57b007fe4b-000000@email.amazonses.com> In-Reply-To: <DEB11AB9-8603-446C-AA27-AEA689A6D3C4@rafal.net> References: <DEB11AB9-8603-446C-AA27-AEA689A6D3C4@rafal.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On 09/01/17 14:24, Rafal Lukawiecki wrote: > I wonder if there is any possibility to shorten the launch and reboot times > of the FreeBSD AMI. I understand that it is necessary to have the first > post-install and update reboot, after the initial launch, but it seems to > take a longish time compared to Amazon Linux. Without any solid > measurements, it seems, from the “VGA” console, that it does pause a bit > after printing the SSH fingerprint and starting cron, sendmail, configuring > vt, scheduling a background fsck in 60 secs, and printing these odd > messages: Yes, it is annoyingly slow. Part of this is the initial freebsd-update pulling down updates, but there are definitely things which should be faster. > [: =: unexpected operator > [: =: unexpected operator > mount: /dev/gpt/rootfs: Device busy > [: =: unexpected operator I've been meaning to track down where these are coming from. Setting rc_debug=YES in /etc/rc.conf might help... > I wonder if it could be optimised, somehow. It would be nice to shave a > minute or more from the waits, if possible. I am also curious what those > errors are. One issue I *have* tracked down is that on large systems we spend a crazy amount of time initializing VM -- around 45 seconds on a x1.32xlarge. I tested a patch from markj last week but I don't think it has gone into the tree yet. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?0100015e3f5c9ca6-5867960d-56cb-4292-965a-eb57b007fe4b-000000>