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root@ubuntu20:~# sar -b 1 Linux 5.4.0-65-generic (ubuntu20) 03/04/2021 _x86_64_ (2 CPU) 09:11:45 AM tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:11:46 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:47 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:48 AM 2.00 0.00 2.00 0.00 0.00 64.00 0.00 09:11:49 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:50 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:51 AM 2.00 0.00 2.00 0.00 0.00 16.00 0.00 09:11:52 AM 6.00 4.00 2.00 0.00 40.00 24.00 0.00 09:11:53 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:54 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:55 AM 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ^C Average: 1.00 0.40 0.60 0.00 4.00 10.40 0.00 root@ubuntu20:~#
root@ubuntu20:~# iostat -xtk 1
03/04/2021 09:12:48 AM
avg-cpu: %user %nice %system %iowait %steal %idle
0.00 0.00 0.50 0.00 0.00 99.50
Device r/s rkB/s rrqm/s %rrqm r_await rareq-sz w/s wkB/s wrqm/s %wrqm w_await wareq-sz d/s dkB/s drqm/s %drqm d_await dareq-sz aqu-sz %util
loop0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
loop1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
loop2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
loop3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
loop4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
loop5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
loop6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
scd0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
vda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
^C
root@ubuntu20:~#
root@ubuntu20:~# iotop
Total DISK READ: 386.75 K/s | Total DISK WRITE: 19.34 K/s
Current DISK READ: 386.75 K/s | Current DISK WRITE: 7.74 K/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND
831 be/4 www-data 286.20 K/s 0.00 B/s 0.00 % 0.29 % php-fpm: pool www
832 be/4 www-data 100.56 K/s 0.00 B/s 0.00 % 0.21 % php-fpm: pool www
82613 be/4 www-data 0.00 B/s 19.34 K/s 0.00 % 0.00 % nginx: worker process
1 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % init maybe-ubiquity
2 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kthreadd]
3 be/0 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [rcu_gp]
4 be/0 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [rcu_par_gp]
6 be/0 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kworker/0:0H-kblockd]
9 be/0 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [mm_percpu_wq]
10 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [ksoftirqd/0]
11 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [rcu_sched]
12 rt/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [migration/0]
13 rt/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [idle_inject/0]
14 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [cpuhp/0]
15 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [cpuhp/1]
root@ubuntu20:~# dstat -tr
----system---- --io/total-
time | read writ
04-03 09:15:55|1.53 1.52
04-03 09:15:56|1.00 0
04-03 09:15:57| 0 2.00
04-03 09:15:58| 0 0
04-03 09:15:59| 0 0
04-03 09:16:00|1.00 1.00
04-03 09:16:01|3.00 0
04-03 09:16:02| 0 0
04-03 09:16:03|39.0 4.00 ^C
root@ubuntu20:~#
root@ubuntu20:~# dstat -tr | awk -F '|' 'NR>2{split($2,arr," ");sum=arr[1]+arr[2];print $0,sum}'
04-03 09:16:56|1.53 1.52 3.05
04-03 09:16:57| 0 0 0
04-03 09:16:58| 0 0 0
04-03 09:16:59| 0 0 0
04-03 09:17:00| 0 0 0
04-03 09:17:01| 0 0 0
04-03 09:17:02|2.00 0 2
04-03 09:17:03| 0 0 0
04-03 09:17:04| 0 3.00 3
04-03 09:17:05|1.00 0 1
04-03 09:17:06| 0 2.00 2
04-03 09:17:07| 0 0 0
04-03 09:17:08| 0 0 0
04-03 09:17:09| 0 0 0
04-03 09:17:10| 0 0 0
04-03 09:17:11| 0 0 0
04-03 09:17:12| 0 2.00 2
04-03 09:17:13|4.00 0 4
04-03 09:17:14| 0 0 0