---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-55 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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: 2799.998 BogoMIPS: 5599.99 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 560 12699 0 2780 15151 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f7:21:58 brd ff:ff:ff:ff:ff:ff inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86013sec preferred_lft 86013sec inet6 fe80::f816:3eff:fef7:2158/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-55) 11/02/26 _x86_64_ (4 CPU) 09:21:23 LINUX RESTART (4 CPU) 09:22:01 tps rtps wtps bread/s bwrtn/s 09:23:01 147.03 16.38 130.64 1257.12 45252.99 09:24:01 76.02 12.90 63.13 485.44 22236.19 09:25:01 53.81 2.08 51.72 74.12 7183.74 09:26:01 36.04 10.76 25.27 778.81 3607.46 09:27:01 16.43 2.48 13.95 67.19 1145.28 Average: 65.86 8.92 56.94 532.54 15884.93 09:22:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:01 13791952 15604828 2633008 16.03 71800 1932012 736524 4.22 616148 1783280 190068 09:24:01 13558168 15419684 2866792 17.45 79180 1970120 910496 5.21 812288 1811664 13684 09:25:01 13273152 15368824 3151808 19.19 87736 2187472 932868 5.34 916328 1977000 41372 09:26:01 11862196 14043108 4562764 27.78 90456 2266288 2164268 12.39 2299020 1994984 1836 09:27:01 13040104 15540280 3384856 20.61 92048 2580300 794740 4.55 939296 2173880 303428 Average: 13105114 15195345 3319846 20.21 84244 2187238 1107779 6.34 1116616 1948162 110078 09:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:23:01 ens3 143.43 109.32 1664.41 38.99 0.00 0.00 0.00 0.00 09:23:01 lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 09:24:01 ens3 86.60 84.34 304.52 25.01 0.00 0.00 0.00 0.00 09:24:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 09:25:01 ens3 238.88 213.71 2775.16 34.27 0.00 0.00 0.00 0.00 09:25:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 09:26:01 ens3 162.41 142.94 701.03 68.49 0.00 0.00 0.00 0.00 09:26:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 09:27:01 ens3 245.38 199.95 400.29 83.96 0.00 0.00 0.00 0.00 09:27:01 lo 0.45 0.45 0.90 0.90 0.00 0.00 0.00 0.00 Average: ens3 175.34 150.05 1169.04 50.14 0.00 0.00 0.00 0.00 Average: lo 0.38 0.38 0.21 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-55) 11/02/26 _x86_64_ (4 CPU) 09:21:23 LINUX RESTART (4 CPU) 09:22:01 CPU %user %nice %system %iowait %steal %idle 09:23:01 all 15.75 0.00 1.31 2.80 0.00 80.14 09:23:01 0 4.03 0.00 0.45 0.15 0.00 95.37 09:23:01 1 24.96 0.00 2.04 1.45 0.02 71.53 09:23:01 2 25.23 0.00 1.59 2.79 0.00 70.39 09:23:01 3 8.91 0.00 1.21 6.81 0.02 83.06 09:24:01 all 7.43 0.00 0.87 0.68 0.01 91.01 09:24:01 0 8.39 0.00 0.60 0.02 0.00 90.99 09:24:01 1 7.47 0.00 0.98 0.00 0.00 91.55 09:24:01 2 8.54 0.00 0.87 1.75 0.02 88.82 09:24:01 3 5.32 0.00 1.05 0.95 0.00 92.68 09:25:01 all 15.19 0.00 1.07 0.08 0.00 83.65 09:25:01 0 14.24 0.00 0.92 0.00 0.02 84.82 09:25:01 1 10.77 0.00 0.87 0.15 0.02 88.19 09:25:01 2 19.99 0.00 1.28 0.15 0.00 78.58 09:25:01 3 15.81 0.00 1.17 0.03 0.00 82.98 09:26:01 all 72.06 0.00 2.51 0.15 0.03 25.25 09:26:01 0 75.30 0.00 2.31 0.20 0.02 22.18 09:26:01 1 68.23 0.00 2.33 0.20 0.02 29.22 09:26:01 2 73.71 0.00 2.65 0.07 0.02 23.56 09:26:01 3 70.98 0.00 2.81 0.13 0.02 26.05 09:27:01 all 67.76 0.00 2.94 0.04 0.02 29.24 09:27:01 0 69.97 0.00 3.07 0.05 0.03 26.87 09:27:01 1 68.56 0.00 2.42 0.02 0.02 28.98 09:27:01 2 67.76 0.00 3.51 0.02 0.03 28.68 09:27:01 3 64.75 0.00 2.73 0.07 0.03 32.42 Average: all 35.57 0.00 1.74 0.75 0.01 61.93 Average: 0 34.25 0.00 1.46 0.08 0.01 64.19 Average: 1 35.87 0.00 1.73 0.36 0.01 62.02 Average: 2 39.01 0.00 1.98 0.96 0.01 58.04 Average: 3 33.13 0.00 1.79 1.60 0.01 63.46