---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-81 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
---> lscpu:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 4
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC-Rome Processor
Stepping: 0
CPU MHz: 2800.000
BogoMIPS: 5600.00
Virtualization: AMD-V
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 32K
L1i cache: 32K
L2 cache: 512K
L3 cache: 16384K
NUMA node0 CPU(s): 0-3
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities
---> nproc:
4
---> df -h:
Filesystem Size Used Avail Use% Mounted on
udev 2.0G 0 2.0G 0% /dev
tmpfs 395M 664K 394M 1% /run
/dev/vda1 20G 7.7G 12G 41% /
tmpfs 2.0G 0 2.0G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
/dev/vda15 105M 4.4M 100M 5% /boot/efi
tmpfs 395M 0 395M 0% /run/user/1001
---> free -m:
total used free shared buff/cache available
Mem: 3943 927 682 0 2333 2750
Swap: 1023 0 1023
---> ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc fq_codel state UP group default qlen 1000
link/ether fa:16:3e:8c:d2:92 brd ff:ff:ff:ff:ff:ff
inet 10.32.7.10/23 brd 10.32.7.255 scope global dynamic ens3
valid_lft 86069sec preferred_lft 86069sec
inet6 fe80::f816:3eff:fe8c:d292/64 scope link
valid_lft forever preferred_lft forever
---> sar -b -r -n DEV:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-81) 04/12/25 _x86_64_ (4 CPU)
11:16:47 LINUX RESTART (4 CPU)
11:17:01 tps rtps wtps bread/s bwrtn/s
11:18:02 115.31 30.13 85.19 1018.10 7181.60
11:19:01 78.77 30.23 48.53 1657.21 9776.24
11:20:01 10.36 0.00 10.36 0.00 475.39
11:21:01 49.08 4.67 44.41 177.97 10734.48
11:22:01 24.93 0.75 24.18 86.25 6033.79
Average: 55.61 13.10 42.51 584.33 6830.48
11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty
11:18:02 1802364 3368536 2236288 55.37 51464 1670272 598668 11.77 532728 1531036 155028
11:19:01 1511124 3237612 2527528 62.58 57504 1817248 718596 14.13 676128 1663436 4640
11:20:01 1489540 3224004 2549112 63.12 59588 1822076 732044 14.39 692356 1667220 2320
11:21:01 823712 2980852 3214940 79.60 63836 2231608 916604 18.02 1057104 1950436 104212
11:22:01 720836 2837420 3317816 82.15 66036 2189740 1040312 20.45 1363364 1747672 16036
Average: 1269515 3129685 2769137 68.57 59686 1946189 801245 15.75 864336 1711960 56447
11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil
11:18:02 ens3 412.25 270.80 1545.11 70.47 0.00 0.00 0.00 0.00
11:18:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00
11:19:01 ens3 124.17 117.59 733.02 23.40 0.00 0.00 0.00 0.00
11:19:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00
11:20:01 ens3 59.94 86.87 67.40 14.07 0.00 0.00 0.00 0.00
11:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00
11:21:01 ens3 873.34 726.00 4435.06 129.83 0.00 0.00 0.00 0.00
11:21:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00
11:22:01 ens3 87.30 73.29 28.50 252.55 0.00 0.00 0.00 0.00
11:22:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00
Average: ens3 312.02 255.37 1363.92 98.31 0.00 0.00 0.00 0.00
Average: lo 0.74 0.74 0.07 0.07 0.00 0.00 0.00 0.00
---> sar -P ALL:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-81) 04/12/25 _x86_64_ (4 CPU)
11:16:47 LINUX RESTART (4 CPU)
11:17:01 CPU %user %nice %system %iowait %steal %idle
11:18:02 all 21.89 0.00 1.56 3.09 0.05 73.41
11:18:02 0 6.04 0.00 0.83 5.67 0.02 87.44
11:18:02 1 19.29 0.00 1.58 1.90 0.03 77.19
11:18:02 2 15.24 0.00 1.12 2.24 0.03 81.37
11:18:02 3 47.03 0.00 2.71 2.56 0.10 47.60
11:19:01 all 13.17 0.00 0.71 1.44 0.04 84.64
11:19:01 0 14.49 0.00 0.34 0.73 0.03 84.40
11:19:01 1 9.37 0.00 0.41 0.22 0.03 89.96
11:19:01 2 19.63 0.00 1.31 1.94 0.05 77.07
11:19:01 3 9.14 0.00 0.78 2.93 0.03 87.11
11:20:01 all 4.03 0.00 0.19 0.05 0.02 95.71
11:20:01 0 2.62 0.00 0.02 0.03 0.02 97.32
11:20:01 1 3.79 0.00 0.12 0.00 0.02 96.08
11:20:01 2 6.54 0.00 0.39 0.00 0.03 93.05
11:20:01 3 3.21 0.00 0.22 0.13 0.02 96.42
11:21:01 all 24.94 0.00 1.19 0.43 0.07 73.37
11:21:01 0 28.08 0.00 1.71 0.12 0.07 70.02
11:21:01 1 29.79 0.00 0.95 0.52 0.05 68.68
11:21:01 2 14.60 0.00 0.88 0.00 0.05 84.47
11:21:01 3 27.35 0.00 1.26 1.06 0.10 70.23
11:22:01 all 25.77 0.00 0.69 0.48 0.04 73.03
11:22:01 0 32.32 0.00 1.05 0.07 0.05 66.52
11:22:01 1 27.92 0.00 0.53 0.03 0.05 71.46
11:22:01 2 18.27 0.00 0.67 1.70 0.03 79.32
11:22:01 3 24.55 0.00 0.50 0.12 0.03 74.80
Average: all 17.97 0.00 0.87 1.10 0.04 80.02
Average: 0 16.71 0.00 0.79 1.33 0.04 81.14
Average: 1 18.05 0.00 0.72 0.54 0.04 80.66
Average: 2 14.84 0.00 0.87 1.17 0.04 83.07
Average: 3 22.31 0.00 1.09 1.35 0.06 75.18