postgres=# SELECT date_trunc('second', current_timestamp - pg_postmaster_start_time()) as uptime;
top - 13:08:22 up 1 day, 5:45, 2 users, load average: 1.65, 1.65, 1.56
Tasks: 303 total, 3 running, 300 sleeping, 0 stopped, 0 zombie
%Cpu(s): 9.6 us, 3.4 sy, 0.0 ni, 86.8 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 13185940+total, 992560 free, 40571300 used, 90295552 buff/cache
KiB Swap: 78643200 total, 78450376 free, 192820 used. 90327376 avail Mem
iostat -mxy 5
Linux 3.10.0-1160.53.1.el7.x86_64 (***************************************) 05/31/2022 _x86_64_ (16 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
8.22 0.00 3.23 0.06 0.00 88.49
Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.60 0.00 0.00 16.00 0.00 2.67 0.00 2.67 3.33 0.20
sdb 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
sdc 0.00 0.00 0.00 26.80 0.00 0.16 11.94 0.01 0.37 0.00 0.37 0.69 1.86
sde 0.00 0.00 3.80 26.80 0.04 0.43 31.27 0.03 0.96 0.63 1.01 0.40 1.22