---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7418 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 7.6G 12G 40% / 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 468 5340 0 2166 7227 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:89:ca:cb brd ff:ff:ff:ff:ff:ff inet 10.32.7.191/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe89:cacb/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-7418) 08/03/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 155.90 75.66 80.24 4602.87 40159.96 19:15:01 56.81 0.18 56.63 21.99 10160.75 19:16:01 83.52 18.51 65.01 669.76 9607.47 19:17:01 23.81 1.50 22.31 104.65 4473.12 Average: 80.01 23.96 56.05 1349.90 16101.08 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6054552 7444244 2112868 25.87 36344 1533864 677740 7.35 554480 1396008 70384 19:15:01 5678132 7393148 2489288 30.48 56436 1821572 708152 7.68 620420 1669272 172332 19:16:01 5495676 7411608 2671744 32.71 63692 2009216 683200 7.41 683988 1777008 99544 19:17:01 5535216 7465420 2632204 32.23 65816 2020704 619480 6.72 638800 1781212 8708 Average: 5690894 7428605 2476526 30.32 55572 1846339 672143 7.29 624422 1655875 87742 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 400.03 230.17 1257.97 64.64 0.00 0.00 0.00 0.00 19:14:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 19:15:01 ens3 59.68 49.73 673.81 5.39 0.00 0.00 0.00 0.00 19:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:16:01 ens3 258.49 281.35 1415.85 55.00 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:17:01 ens3 50.04 56.72 29.20 530.91 0.00 0.00 0.00 0.00 19:17:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 192.06 154.49 844.22 163.97 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7418) 08/03/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 22.08 0.00 3.04 5.03 1.20 68.64 19:14:01 0 21.75 0.00 2.31 3.11 1.25 71.58 19:14:01 1 15.77 0.00 2.72 3.21 1.07 77.23 19:14:01 2 24.67 0.00 1.97 3.87 1.18 68.31 19:14:01 3 26.12 0.00 5.20 9.95 1.28 57.45 19:15:01 all 20.18 0.00 1.28 1.49 0.76 76.29 19:15:01 0 11.63 0.00 1.03 0.60 0.43 86.30 19:15:01 1 26.53 0.00 1.90 0.17 0.83 70.57 19:15:01 2 39.69 0.00 2.02 5.21 1.00 52.09 19:15:01 3 2.98 0.00 0.15 0.00 0.76 96.11 19:16:01 all 41.98 0.00 2.27 1.65 3.41 50.68 19:16:01 0 38.61 0.00 1.64 0.85 3.09 55.80 19:16:01 1 37.36 0.00 2.53 3.06 3.26 53.78 19:16:01 2 58.79 0.00 2.30 1.16 3.18 34.58 19:16:01 3 33.20 0.00 2.61 1.54 4.12 58.54 19:17:01 all 20.85 0.00 0.98 0.95 0.73 76.49 19:17:01 0 1.28 0.00 0.57 0.90 0.37 96.89 19:17:01 1 6.89 0.00 0.67 0.00 0.45 91.99 19:17:01 2 50.05 0.00 1.62 2.65 1.38 44.29 19:17:01 3 25.22 0.00 1.10 0.23 0.70 72.74 Average: all 26.29 0.00 1.89 2.28 1.53 68.01 Average: 0 18.33 0.00 1.39 1.36 1.29 77.63 Average: 1 21.65 0.00 1.95 1.61 1.40 73.38 Average: 2 43.31 0.00 1.98 3.22 1.69 49.81 Average: 3 21.89 0.00 2.26 2.92 1.72 71.20