---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1590 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: 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 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 11G 68G 14% / 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 1418 10572 0 4048 14290 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:6c:76:6b brd ff:ff:ff:ff:ff:ff inet 10.30.106.141/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:fe6c:766b/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-1590) 11/07/26 _x86_64_ (4 CPU) 12:17:31 LINUX RESTART (4 CPU) 12:18:02 tps rtps wtps bread/s bwrtn/s 12:19:01 185.65 29.57 156.08 1726.06 79014.98 12:20:01 107.80 14.05 93.75 816.80 12889.59 12:21:01 4.67 0.00 4.67 0.00 5681.97 12:22:01 30.46 2.70 27.76 75.99 29077.82 Average: 81.71 11.50 70.21 650.25 31468.92 12:18:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:19:01 12265464 15365560 4159504 25.32 72036 3201040 963264 5.51 863732 3025144 200484 12:20:01 10618704 14034356 5806264 35.35 79464 3494816 2180360 12.48 2253184 3260944 115156 12:21:01 10490032 13999540 5934936 36.13 79580 3586508 2196404 12.57 2287404 3352372 88472 12:22:01 10568828 14595760 5856140 35.65 81020 4088292 1674624 9.58 2047944 3501344 19324 Average: 10985757 14498804 5439211 33.12 78025 3592664 1753663 10.04 1863066 3284951 105859 12:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:19:01 ens3 971.70 658.47 22925.40 60.32 0.00 0.00 0.00 0.00 12:19:01 lo 0.95 0.95 0.11 0.11 0.00 0.00 0.00 0.00 12:20:01 ens3 6715.80 3977.99 4177.49 1701.25 0.00 0.00 0.00 0.00 12:20:01 lo 751.47 751.47 57.60 57.60 0.00 0.00 0.00 0.00 12:21:01 ens3 11398.23 8160.66 2630.64 2847.72 0.00 0.00 0.00 0.00 12:21:01 lo 913.63 913.63 70.04 70.04 0.00 0.00 0.00 0.00 12:22:01 ens3 1924.11 1357.09 997.57 604.34 0.00 0.00 0.00 0.00 12:22:01 lo 112.71 112.71 8.64 8.64 0.00 0.00 0.00 0.00 Average: ens3 5270.45 3550.67 7619.44 1308.62 0.00 0.00 0.00 0.00 Average: lo 446.55 446.55 34.24 34.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1590) 11/07/26 _x86_64_ (4 CPU) 12:17:31 LINUX RESTART (4 CPU) 12:18:02 CPU %user %nice %system %iowait %steal %idle 12:19:01 all 22.43 0.00 2.29 2.90 0.01 72.38 12:19:01 0 6.37 0.00 1.06 6.58 0.02 85.97 12:19:01 1 24.42 0.00 1.94 1.48 0.00 72.15 12:19:01 2 33.03 0.00 3.55 1.82 0.00 61.60 12:19:01 3 25.79 0.00 2.59 1.74 0.02 69.86 12:20:01 all 46.56 0.00 16.53 0.37 0.03 36.51 12:20:01 0 44.40 0.00 17.19 0.20 0.05 38.16 12:20:01 1 45.46 0.00 18.92 0.02 0.02 35.59 12:20:01 2 47.70 0.00 11.21 0.57 0.03 40.49 12:20:01 3 48.69 0.00 18.80 0.70 0.00 31.81 12:21:01 all 20.20 0.00 42.28 0.09 0.02 37.41 12:21:01 0 20.22 0.00 47.21 0.03 0.05 32.49 12:21:01 1 16.60 0.00 27.77 0.00 0.00 55.64 12:21:01 2 19.67 0.00 30.26 0.30 0.00 49.76 12:21:01 3 24.25 0.00 63.57 0.03 0.02 12.13 12:22:01 all 31.04 0.00 6.75 0.31 0.01 61.89 12:22:01 0 31.84 0.00 7.01 0.08 0.02 61.05 12:22:01 1 28.23 0.00 5.41 0.03 0.02 66.31 12:22:01 2 36.23 0.00 4.06 1.02 0.02 58.68 12:22:01 3 27.87 0.00 10.53 0.12 0.02 61.46 Average: all 30.11 0.00 16.98 0.91 0.02 51.98 Average: 0 25.81 0.00 18.17 1.70 0.03 54.28 Average: 1 28.75 0.00 13.50 0.38 0.01 57.36 Average: 2 34.17 0.00 12.28 0.93 0.01 52.60 Average: 3 31.67 0.00 23.96 0.64 0.01 43.71