Thursday, September 21, 2023

FreeBSD can now boot in 25 milliseconds

Current FreeBSD 14.0 Boot time in ~25ms is middle of the pack, and still has some catching up-to do.

Image Source : BootTime - FreeBSD Wiki 

The EC2 testing are as follows:

AMI Id (us-east-1)AMI Namerunning to port closedclosed to opentotal (s)
ami-0f9ebbb6ab174bc24Clear Linux 346401.230.001.23
ami-07d02ee1eeb0c996cDebian 106.264.0910.35
ami-0c2b8ca1dad447f8aAmazon Linux 29.551.5411.09
ami-09e67e426f25ce0d7Ubuntu Server 20.04 LTS7.394.6512.04
ami-0747bdcabd34c712aUbuntu Server 18.04 LTS10.644.3014.94
ami-03a454637e4aa453dRed Hat Enterprise Linux 8 (20210825)13.162.1115.27
ami-0ee02acd56a52998eUbuntu Server 16.04 LTS12.765.4218.18
ami-0a16c2295ef80ff63SUSE Linux Enterprise Server 12 SP516.326.9623.28
ami-00be86d9bba30a7b3FreeBSD 12.2-RELEASE17.096.2223.31
ami-00e91cb82b335d15fFreeBSD 13.0-RELEASE19.005.1324.13
ami-0fde50fcbcd46f2f7SUSE Linux Enterprise Server 15 SP218.136.7624.89
ami-03b0f822e17669866FreeBSD 12.0-RELEASE19.825.8325.65
ami-0de268ac2498ba33dFreeBSD 12.1-RELEASE19.936.0926.02
ami-0b96e8856151afb3aFreeBSD 11.3-RELEASE22.615.0527.66
ami-70504266FreeBSD 11.1-RELEASE25.724.3930.11
ami-e83e6c97FreeBSD 11.2-RELEASE25.455.3630.81
ami-01599ad2c214322aeFreeBSD 11.4-RELEASE55.194.0259.21
ami-0b0af3577fe5e3532Red Hat Enterprise Linux 813.4352.3165.74

In the race to accept incoming SSH connections, the clear winner — no pun intended — is Intel's Clear Linux, which boots to a running sshd in a blistering 1.23 seconds after the instance enters the "running" state. After Clear Linux is a roughly three way tie between Amazon Linux, Debian, and Ubuntu — and it's good to see that Ubuntu's boot performance has improved over the years, dropping from 18 seconds in 16.04 LTS to 15 seconds in 18.04 LTS and then to 12 seconds with 20.04 LTS. After the Amazon Linux / Debian / Ubuntu cluster comes SUSE Linux and FreeBSD; here, interestingly, SUSE 12 is faster than SUSE 15, while FreeBSD 12.2 and 13.0 (the most recent two releases) are noticeably faster than older FreeBSD.

Source:  EC2 boot time benchmarking (

Source: FreeBSD can now boot in 25 milliseconds • The Register

No comments:

Post a Comment