---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14259 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 8.9G 11G 47% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 470 3970 0 3535 7207 Swap: 1023 0 1023 ---> ip addr: 1: lo: 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: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:fa:78:24 brd ff:ff:ff:ff:ff:ff inet 10.32.6.247/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fefa:7824/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14259) 10/03/26 _x86_64_ (4 CPU) 15:07:54 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 155.81 55.52 100.28 3627.80 42893.40 15:10:01 125.49 37.11 88.37 2286.39 50926.01 15:11:01 12.05 0.02 12.03 0.13 546.04 15:12:01 50.86 2.65 48.21 179.97 9033.16 Average: 85.89 23.77 62.12 1520.38 25744.75 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 5900408 7471612 2267012 27.76 49528 1692104 652984 7.09 514064 1570560 196900 15:10:01 4349944 7281772 3817476 46.74 59476 3017404 790932 8.58 730688 2853684 4616 15:11:01 4330616 7272380 3836804 46.98 62104 3023424 798928 8.67 742260 2858452 1848 15:12:01 4067156 7378496 4100264 50.20 68164 3377684 697528 7.57 670252 3178068 129440 Average: 4662031 7351065 3505389 42.92 59818 2777654 735093 7.98 664316 2615191 83201 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 383.15 245.63 1731.59 67.60 0.00 0.00 0.00 0.00 15:09:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 15:10:01 ens3 752.14 447.40 19209.61 46.82 0.00 0.00 0.00 0.00 15:10:01 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 15:11:01 ens3 62.42 91.17 59.34 20.69 0.00 0.00 0.00 0.00 15:11:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:12:01 ens3 581.09 523.11 4060.75 88.85 0.00 0.00 0.00 0.00 15:12:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 443.42 326.32 6211.17 56.03 0.00 0.00 0.00 0.00 Average: lo 0.79 0.79 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-14259) 10/03/26 _x86_64_ (4 CPU) 15:07:54 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 20.58 0.00 1.89 4.84 0.06 72.63 15:09:02 0 19.50 0.00 1.62 3.15 0.05 75.68 15:09:02 1 25.01 0.00 1.89 2.41 0.07 70.63 15:09:02 2 21.28 0.00 2.29 10.45 0.07 65.91 15:09:02 3 16.50 0.00 1.76 3.33 0.07 78.35 15:10:01 all 17.61 0.00 1.52 2.94 0.06 77.87 15:10:01 0 35.42 0.00 1.82 2.02 0.08 60.66 15:10:01 1 9.26 0.00 0.54 0.78 0.03 89.38 15:10:01 2 13.54 0.00 2.50 4.19 0.05 79.72 15:10:01 3 12.16 0.00 1.25 4.77 0.09 81.74 15:11:01 all 4.63 0.00 0.26 0.02 0.03 95.07 15:11:01 0 4.48 0.00 0.49 0.08 0.03 94.92 15:11:01 1 3.82 0.00 0.33 0.00 0.03 95.81 15:11:01 2 7.53 0.00 0.08 0.00 0.02 92.37 15:11:01 3 2.69 0.00 0.12 0.00 0.02 97.18 15:12:01 all 18.57 0.00 1.44 0.58 0.07 79.34 15:12:01 0 9.97 0.00 1.30 1.52 0.03 87.18 15:12:01 1 36.87 0.00 1.84 0.10 0.10 61.10 15:12:01 2 15.09 0.00 1.27 0.25 0.08 83.31 15:12:01 3 12.32 0.00 1.36 0.44 0.07 85.81 Average: all 15.33 0.00 1.28 2.09 0.06 81.24 Average: 0 17.27 0.00 1.30 1.69 0.05 79.68 Average: 1 18.78 0.00 1.15 0.82 0.06 79.19 Average: 2 14.36 0.00 1.53 3.72 0.05 80.34 Average: 3 10.91 0.00 1.12 2.12 0.06 85.80