Improve dnf download times.
Inspect current dnf configuration.
$ cat /etc/dnf/dnf.conf
[main] gpgcheck=1 installonly_limit=3 clean_requirements_on_remove=True best=True skip_if_unavailable=False
Increase the number of simultaneous downloads from default 3 to 10 (up to 20).
$ echo max_parallel_downloads=10 | sudo tee -a /etc/dnf/dnf.conf
Install a package.
$ sudo dnf install sysstat
Last metadata expiration check: 0:36:58 ago on Sat Apr 9 22:52:26 2022. Dependencies resolved. ====================================================================================================================== Package Architecture Version Repository Size ====================================================================================================================== Installing: sysstat x86_64 12.5.4-3.el9 appstream 480 k Installing dependencies: avahi-libs x86_64 0.8-11.el9 baseos 68 k crypto-policies-scripts noarch 20220223-1.git5203b41.el9 baseos 95 k libevent x86_64 2.1.12-6.el9 baseos 263 k libuv x86_64 1:1.42.0-1.el9 appstream 150 k lm_sensors-libs x86_64 3.6.0-10.el9 appstream 42 k nspr x86_64 4.32.0-9.el9 appstream 137 k nss x86_64 3.71.0-7.el9 appstream 699 k nss-softokn x86_64 3.71.0-7.el9 appstream 363 k nss-softokn-freebl x86_64 3.71.0-7.el9 appstream 332 k nss-sysinit x86_64 3.71.0-7.el9 appstream 22 k nss-util x86_64 3.71.0-7.el9 appstream 91 k pcp-conf x86_64 5.3.5-8.el9 appstream 31 k pcp-libs x86_64 5.3.5-8.el9 appstream 602 k xz x86_64 5.2.5-7.el9 baseos 226 k Transaction Summary ====================================================================================================================== Install 15 Packages Total download size: 3.5 M Installed size: 9.7 M Is this ok [y/N]: y Downloading Packages: (1/15): lm_sensors-libs-3.6.0-10.el9.x86_64.rpm 101 kB/s | 42 kB 00:00 (2/15): nss-sysinit-3.71.0-7.el9.x86_64.rpm 181 kB/s | 22 kB 00:00 (3/15): avahi-libs-0.8-11.el9.x86_64.rpm 100 kB/s | 68 kB 00:00 (4/15): crypto-policies-scripts-20220223-1.git5203b41.el9.noarch.rpm 138 kB/s | 95 kB 00:00 (5/15): nspr-4.32.0-9.el9.x86_64.rpm 198 kB/s | 137 kB 00:00 (6/15): libuv-1.42.0-1.el9.x86_64.rpm 198 kB/s | 150 kB 00:00 (7/15): xz-5.2.5-7.el9.x86_64.rpm 293 kB/s | 226 kB 00:00 (8/15): libevent-2.1.12-6.el9.x86_64.rpm 328 kB/s | 263 kB 00:00 (9/15): nss-util-3.71.0-7.el9.x86_64.rpm 318 kB/s | 91 kB 00:00 (10/15): nss-softokn-freebl-3.71.0-7.el9.x86_64.rpm 336 kB/s | 332 kB 00:00 (11/15): pcp-conf-5.3.5-8.el9.x86_64.rpm 92 kB/s | 31 kB 00:00 (12/15): pcp-libs-5.3.5-8.el9.x86_64.rpm 1.3 MB/s | 602 kB 00:00 (13/15): sysstat-12.5.4-3.el9.x86_64.rpm 779 kB/s | 480 kB 00:00 (14/15): nss-softokn-3.71.0-7.el9.x86_64.rpm 259 kB/s | 363 kB 00:01 (15/15): nss-3.71.0-7.el9.x86_64.rpm 422 kB/s | 699 kB 00:01 ---------------------------------------------------------------------------------------------------------------------- Total 1.1 MB/s | 3.5 MB 00:03 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : nspr-4.32.0-9.el9.x86_64 1/15 Installing : nss-util-3.71.0-7.el9.x86_64 2/15 Installing : nss-softokn-freebl-3.71.0-7.el9.x86_64 3/15 Installing : nss-softokn-3.71.0-7.el9.x86_64 4/15 Installing : pcp-conf-5.3.5-8.el9.x86_64 5/15 Installing : lm_sensors-libs-3.6.0-10.el9.x86_64 6/15 Installing : libuv-1:1.42.0-1.el9.x86_64 7/15 Installing : xz-5.2.5-7.el9.x86_64 8/15 Installing : libevent-2.1.12-6.el9.x86_64 9/15 Installing : avahi-libs-0.8-11.el9.x86_64 10/15 Installing : crypto-policies-scripts-20220223-1.git5203b41.el9.noarch 11/15 Installing : nss-sysinit-3.71.0-7.el9.x86_64 12/15 Installing : nss-3.71.0-7.el9.x86_64 13/15 Running scriptlet: nss-3.71.0-7.el9.x86_64 13/15 Installing : pcp-libs-5.3.5-8.el9.x86_64 14/15 Installing : sysstat-12.5.4-3.el9.x86_64 15/15 Running scriptlet: sysstat-12.5.4-3.el9.x86_64 15/15 Created symlink /etc/systemd/system/multi-user.target.wants/sysstat.service → /usr/lib/systemd/system/sysstat.service. Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-collect.timer → /usr/lib/systemd/system/sysstat-collect.timer. Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-summary.timer → /usr/lib/systemd/system/sysstat-summary.timer. Running scriptlet: crypto-policies-scripts-20220223-1.git5203b41.el9.noarch 15/15 Running scriptlet: nss-3.71.0-7.el9.x86_64 15/15 Running scriptlet: sysstat-12.5.4-3.el9.x86_64 15/15 Verifying : avahi-libs-0.8-11.el9.x86_64 1/15 Verifying : crypto-policies-scripts-20220223-1.git5203b41.el9.noarch 2/15 Verifying : libevent-2.1.12-6.el9.x86_64 3/15 Verifying : xz-5.2.5-7.el9.x86_64 4/15 Verifying : libuv-1:1.42.0-1.el9.x86_64 5/15 Verifying : lm_sensors-libs-3.6.0-10.el9.x86_64 6/15 Verifying : nspr-4.32.0-9.el9.x86_64 7/15 Verifying : nss-3.71.0-7.el9.x86_64 8/15 Verifying : nss-softokn-3.71.0-7.el9.x86_64 9/15 Verifying : nss-softokn-freebl-3.71.0-7.el9.x86_64 10/15 Verifying : nss-sysinit-3.71.0-7.el9.x86_64 11/15 Verifying : nss-util-3.71.0-7.el9.x86_64 12/15 Verifying : pcp-conf-5.3.5-8.el9.x86_64 13/15 Verifying : pcp-libs-5.3.5-8.el9.x86_64 14/15 Verifying : sysstat-12.5.4-3.el9.x86_64 15/15 Installed: avahi-libs-0.8-11.el9.x86_64 crypto-policies-scripts-20220223-1.git5203b41.el9.noarch libevent-2.1.12-6.el9.x86_64 libuv-1:1.42.0-1.el9.x86_64 lm_sensors-libs-3.6.0-10.el9.x86_64 nspr-4.32.0-9.el9.x86_64 nss-3.71.0-7.el9.x86_64 nss-softokn-3.71.0-7.el9.x86_64 nss-softokn-freebl-3.71.0-7.el9.x86_64 nss-sysinit-3.71.0-7.el9.x86_64 nss-util-3.71.0-7.el9.x86_64 pcp-conf-5.3.5-8.el9.x86_64 pcp-libs-5.3.5-8.el9.x86_64 sysstat-12.5.4-3.el9.x86_64 xz-5.2.5-7.el9.x86_64 Complete!
You can also use a connect time metric to find the fastest available mirror.
$ echo fastestmirror=True | sudo tee -a /etc/dnf/dnf.conf
Install a package.
$ sudo dnf install sysstat
determining the fastest mirror (38 hosts).. done.== ] --- B/s | 0 B --:-- ETA CentOS Stream 9 - BaseOS 614 kB/s | 5.6 MB 00:09 CentOS Stream 9 - AppStream 4.1 MB/s | 13 MB 00:03 CentOS Stream 9 - Extras packages 7.5 kB/s | 6.8 kB 00:00 Dependencies resolved. ====================================================================================================================== Package Architecture Version Repository Size ====================================================================================================================== Installing: sysstat x86_64 12.5.4-3.el9 appstream 480 k Installing dependencies: avahi-libs x86_64 0.8-11.el9 baseos 68 k crypto-policies-scripts noarch 20220223-1.git5203b41.el9 baseos 95 k libevent x86_64 2.1.12-6.el9 baseos 263 k libuv x86_64 1:1.42.0-1.el9 appstream 150 k lm_sensors-libs x86_64 3.6.0-10.el9 appstream 42 k nspr x86_64 4.32.0-9.el9 appstream 137 k nss x86_64 3.71.0-7.el9 appstream 699 k nss-softokn x86_64 3.71.0-7.el9 appstream 363 k nss-softokn-freebl x86_64 3.71.0-7.el9 appstream 332 k nss-sysinit x86_64 3.71.0-7.el9 appstream 22 k nss-util x86_64 3.71.0-7.el9 appstream 91 k pcp-conf x86_64 5.3.5-8.el9 appstream 31 k pcp-libs x86_64 5.3.5-8.el9 appstream 602 k xz x86_64 5.2.5-7.el9 baseos 226 k Transaction Summary ====================================================================================================================== Install 15 Packages Total download size: 3.5 M Installed size: 9.7 M Is this ok [y/N]: y Downloading Packages: CentOS Stream 9 - AppStream 228% [=========================================================================done.===========] 10 kB/s | 6.9 kB --:-- ETA (1/15): lm_sensors-libs-3.6.0-10.el9.x86_64.rpm 60 kB/s | 42 kB 00:00 (2/15): avahi-libs-0.8-11.el9.x86_64.rpm 95 kB/s | 68 kB 00:00 (3/15): crypto-policies-scripts-20220223-1.git5203b41.el9.noarch.rpm 133 kB/s | 95 kB 00:00 (4/15): nss-sysinit-3.71.0-7.el9.x86_64.rpm 503 kB/s | 22 kB 00:00 (5/15): libevent-2.1.12-6.el9.x86_64.rpm 291 kB/s | 263 kB 00:00 (6/15): libuv-1.42.0-1.el9.x86_64.rpm 165 kB/s | 150 kB 00:00 (7/15): nspr-4.32.0-9.el9.x86_64.rpm 150 kB/s | 137 kB 00:00 (8/15): xz-5.2.5-7.el9.x86_64.rpm 224 kB/s | 226 kB 00:01 (9/15): nss-3.71.0-7.el9.x86_64.rpm 634 kB/s | 699 kB 00:01 (10/15): nss-softokn-freebl-3.71.0-7.el9.x86_64.rpm 294 kB/s | 332 kB 00:01 (11/15): pcp-conf-5.3.5-8.el9.x86_64.rpm 71 kB/s | 31 kB 00:00 (12/15): nss-softokn-3.71.0-7.el9.x86_64.rpm 308 kB/s | 363 kB 00:01 (13/15): nss-util-3.71.0-7.el9.x86_64.rpm 161 kB/s | 91 kB 00:00 (14/15): pcp-libs-5.3.5-8.el9.x86_64.rpm 1.0 MB/s | 602 kB 00:00 (15/15): sysstat-12.5.4-3.el9.x86_64.rpm 846 kB/s | 480 kB 00:00 ---------------------------------------------------------------------------------------------------------------------- Total 1.6 MB/s | 3.5 MB 00:02 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : nspr-4.32.0-9.el9.x86_64 1/15 Installing : nss-util-3.71.0-7.el9.x86_64 2/15 Installing : nss-softokn-freebl-3.71.0-7.el9.x86_64 3/15 Installing : nss-softokn-3.71.0-7.el9.x86_64 4/15 Installing : pcp-conf-5.3.5-8.el9.x86_64 5/15 Installing : lm_sensors-libs-3.6.0-10.el9.x86_64 6/15 Installing : libuv-1:1.42.0-1.el9.x86_64 7/15 Installing : xz-5.2.5-7.el9.x86_64 8/15 Installing : libevent-2.1.12-6.el9.x86_64 9/15 Installing : avahi-libs-0.8-11.el9.x86_64 10/15 Installing : crypto-policies-scripts-20220223-1.git5203b41.el9.noarch 11/15 Installing : nss-sysinit-3.71.0-7.el9.x86_64 12/15 Installing : nss-3.71.0-7.el9.x86_64 13/15 Running scriptlet: nss-3.71.0-7.el9.x86_64 13/15 Installing : pcp-libs-5.3.5-8.el9.x86_64 14/15 Installing : sysstat-12.5.4-3.el9.x86_64 15/15 Running scriptlet: sysstat-12.5.4-3.el9.x86_64 15/15 Created symlink /etc/systemd/system/multi-user.target.wants/sysstat.service → /usr/lib/systemd/system/sysstat.service. Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-collect.timer → /usr/lib/systemd/system/sysstat-collect.timer. Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-summary.timer → /usr/lib/systemd/system/sysstat-summary.timer. Running scriptlet: crypto-policies-scripts-20220223-1.git5203b41.el9.noarch 15/15 Running scriptlet: nss-3.71.0-7.el9.x86_64 15/15 Running scriptlet: sysstat-12.5.4-3.el9.x86_64 15/15 Verifying : avahi-libs-0.8-11.el9.x86_64 1/15 Verifying : crypto-policies-scripts-20220223-1.git5203b41.el9.noarch 2/15 Verifying : libevent-2.1.12-6.el9.x86_64 3/15 Verifying : xz-5.2.5-7.el9.x86_64 4/15 Verifying : libuv-1:1.42.0-1.el9.x86_64 5/15 Verifying : lm_sensors-libs-3.6.0-10.el9.x86_64 6/15 Verifying : nspr-4.32.0-9.el9.x86_64 7/15 Verifying : nss-3.71.0-7.el9.x86_64 8/15 Verifying : nss-softokn-3.71.0-7.el9.x86_64 9/15 Verifying : nss-softokn-freebl-3.71.0-7.el9.x86_64 10/15 Verifying : nss-sysinit-3.71.0-7.el9.x86_64 11/15 Verifying : nss-util-3.71.0-7.el9.x86_64 12/15 Verifying : pcp-conf-5.3.5-8.el9.x86_64 13/15 Verifying : pcp-libs-5.3.5-8.el9.x86_64 14/15 Verifying : sysstat-12.5.4-3.el9.x86_64 15/15 Installed: avahi-libs-0.8-11.el9.x86_64 crypto-policies-scripts-20220223-1.git5203b41.el9.noarch libevent-2.1.12-6.el9.x86_64 libuv-1:1.42.0-1.el9.x86_64 lm_sensors-libs-3.6.0-10.el9.x86_64 nspr-4.32.0-9.el9.x86_64 nss-3.71.0-7.el9.x86_64 nss-softokn-3.71.0-7.el9.x86_64 nss-softokn-freebl-3.71.0-7.el9.x86_64 nss-sysinit-3.71.0-7.el9.x86_64 nss-util-3.71.0-7.el9.x86_64 pcp-conf-5.3.5-8.el9.x86_64 pcp-libs-5.3.5-8.el9.x86_64 sysstat-12.5.4-3.el9.x86_64 xz-5.2.5-7.el9.x86_64 Complete!
Inspect fastest mirror data.
$ cat /var/cache/dnf/fastestmirror.cache
[:_librepo_:] version=1 [https://centos-stream.ip-connect.info] ts=1649547103 connectime=0.033501000000000003 [https://centos-stream.mirror.wearetriple.com] ts=1649547103 connectime=0.037987999999999966 [https://mirror.in2p3.fr] ts=1649547103 connectime=0.059638999999999998 [http://mirror.in2p3.fr] ts=1649547103 connectime=0.059686000000000017 [https://semirror.lonyai.com] ts=1649547103 connectime=0.059727000000000086 [http://semirror.lonyai.com] ts=1649547103 connectime=0.059734999999999983 [https://mirror.netsite.dk] ts=1649547103 connectime=0.094035000000000007 [http://mirror.netsite.dk] ts=1649547103 connectime=0.094073000000000004 [https://linuxsoft.cern.ch] ts=1649547103 connectime=0.098521999999999998 [http://ftp.plusline.net] ts=1649547103 connectime=0.11206700000000003 [https://ftp.plusline.net] ts=1649547103 connectime=0.11221199999999998 [https://mirror.lanet.network] ts=1649547103 connectime=0.147588 [https://mirror.netzwerge.de] ts=1649547103 connectime=0.14893299999999998 [https://ftp.nsc.ru] ts=1649547103 connectime=0.164489 [https://mirror.alwyzon.net] ts=1649547103 connectime=0.198935 [http://mirror.alwyzon.net] ts=1649547103 connectime=0.19900100000000001 [http://centos-stream.ip-connect.info] ts=1649547103 connectime=0.19936899999999999 [https://ftp.fi.muni.cz] ts=1649547103 connectime=0.20128799999999997 [http://centos-stream.mirror.wearetriple.com] ts=1649547103 connectime=0.20130199999999998 [http://ftp.nsc.ru] ts=1649547103 connectime=0.21273199999999992 [http://mirror.karneval.cz] ts=1649547103 connectime=0.25092599999999998 [https://mirror.karneval.cz] ts=1649547103 connectime=0.25274600000000003 [http://linuxsoft.cern.ch] ts=1649547103 connectime=0.26011199999999995 [http://mirror.netzwerge.de] ts=1649547103 connectime=0.26015500000000003 [http://ftp.fi.muni.cz] ts=1649547103 connectime=0.26373599999999997 [http://centos-stream.koyanet.lv] ts=1649547103 connectime=-1 [http://mirror.im.jku.at] ts=1649547103 connectime=-1 [http://mirror.lanet.network] ts=1649547103 connectime=-1 [http://fr2.rpmfind.net] ts=1649547103 connectime=-1 [https://fr2.rpmfind.net] ts=1649547103 connectime=-1 [http://lon.mirror.rackspace.com] ts=1649547103 connectime=-1 [https://centos-stream.koyanet.lv] ts=1649547103 connectime=-1 [http://humirror.lonyai.com] ts=1649547103 connectime=-1 [http://mirror1.hs-esslingen.de] ts=1649547103 connectime=-1 [https://mirror.im.jku.at] ts=1649547103 connectime=-1 [https://humirror.lonyai.com] ts=1649547103 connectime=-1 [https://lon.mirror.rackspace.com] ts=1649547103 connectime=-1 [https://mirror1.hs-esslingen.de] ts=1649547103 connectime=-1
Delete fastest mirror data to recreate it on next run.
$ sudo rm /var/cache/dnf/fastestmirror.cache