---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10512 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 7.8G 12G 41% / 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 466 5067 0 2442 7225 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:24:40:6d brd ff:ff:ff:ff:ff:ff inet 10.32.6.86/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86016sec preferred_lft 86016sec inet6 fe80::f816:3eff:fe24:406d/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-10512) 04/04/26 _x86_64_ (4 CPU) 11:16:55 LINUX RESTART (4 CPU) 11:17:01 tps rtps wtps bread/s bwrtn/s 11:18:02 140.99 69.19 71.79 4326.82 39938.17 11:19:01 85.68 30.22 55.47 1685.00 9586.99 11:20:01 28.96 0.20 28.76 2.80 7988.80 11:21:01 8.77 0.00 8.77 0.00 319.28 11:22:01 45.66 2.15 43.51 115.18 8773.74 11:23:01 27.86 0.70 27.16 77.85 4946.91 Average: 56.24 17.04 39.20 1032.86 11932.83 11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:02 5999604 7411152 2167808 26.54 36332 1555736 710308 7.71 585104 1419516 91896 11:19:01 5637016 7332248 2530396 30.98 56584 1803228 843644 9.15 705044 1630376 98284 11:20:01 5468688 7300796 2698724 33.04 58332 1935848 787164 8.54 736896 1761944 796 11:21:01 5448684 7288328 2718728 33.29 60336 1940448 787164 8.54 750808 1765548 2308 11:22:01 5234648 7430236 2932764 35.91 65076 2283992 658620 7.15 626364 2089232 110552 11:23:01 5200720 7407428 2966692 36.32 67872 2291920 681716 7.40 656780 2091708 9472 Average: 5498227 7361698 2669185 32.68 57422 1968529 744769 8.08 676833 1793054 52218 11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:02 ens3 397.07 215.43 1395.00 64.16 0.00 0.00 0.00 0.00 11:18:02 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 11:19:01 ens3 75.36 55.21 528.85 15.46 0.00 0.00 0.00 0.00 11:19:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 11:20:01 ens3 111.60 101.25 2207.90 13.16 0.00 0.00 0.00 0.00 11:20:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:21:01 ens3 58.07 82.95 65.78 13.40 0.00 0.00 0.00 0.00 11:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:22:01 ens3 642.46 562.86 4099.32 73.77 0.00 0.00 0.00 0.00 11:22:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 11:23:01 ens3 13.21 13.35 11.11 6.63 0.00 0.00 0.00 0.00 11:23:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 216.69 172.16 1387.07 31.14 0.00 0.00 0.00 0.00 Average: lo 0.77 0.77 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-10512) 04/04/26 _x86_64_ (4 CPU) 11:16:55 LINUX RESTART (4 CPU) 11:17:01 CPU %user %nice %system %iowait %steal %idle 11:18:02 all 20.42 0.00 2.60 4.92 2.87 69.19 11:18:02 0 14.20 0.00 1.57 2.18 2.43 79.62 11:18:02 1 10.77 0.00 4.20 2.76 2.48 79.79 11:18:02 2 31.60 0.00 2.40 6.62 3.79 55.58 11:18:02 3 25.07 0.00 2.24 8.08 2.80 61.81 11:19:01 all 21.27 0.00 1.39 2.74 2.26 72.35 11:19:01 0 17.28 0.00 0.96 1.01 2.07 78.67 11:19:01 1 45.21 0.00 2.92 1.96 2.87 47.05 11:19:01 2 15.01 0.00 1.16 6.68 2.13 75.02 11:19:01 3 7.61 0.00 0.52 1.34 1.97 88.56 11:20:01 all 8.84 0.00 0.54 0.60 1.92 88.09 11:20:01 0 11.04 0.00 0.40 0.02 2.08 86.47 11:20:01 1 8.68 0.00 0.75 1.62 1.92 87.03 11:20:01 2 9.86 0.00 0.73 0.76 2.48 86.17 11:20:01 3 5.76 0.00 0.30 0.02 1.23 92.69 11:21:01 all 4.71 0.00 0.37 0.05 1.31 93.56 11:21:01 0 4.22 0.00 0.32 0.00 0.93 94.53 11:21:01 1 1.46 0.00 0.28 0.13 0.70 97.43 11:21:01 2 5.79 0.00 0.55 0.05 2.08 91.53 11:21:01 3 7.39 0.00 0.30 0.00 1.51 90.80 11:22:01 all 16.11 0.00 1.62 0.29 2.94 79.04 11:22:01 0 14.59 0.00 1.80 0.58 2.89 80.14 11:22:01 1 19.03 0.00 1.79 0.51 2.76 75.91 11:22:01 2 12.64 0.00 1.62 0.02 3.50 82.23 11:22:01 3 18.18 0.00 1.31 0.02 2.60 77.90 11:23:01 all 20.32 0.00 0.96 0.98 1.30 76.44 11:23:01 0 5.04 0.00 0.60 0.03 0.52 93.81 11:23:01 1 24.21 0.00 1.16 3.62 1.36 69.64 11:23:01 2 45.86 0.00 1.58 0.25 2.16 50.15 11:23:01 3 6.16 0.00 0.51 0.00 1.16 92.16 Average: all 15.26 0.00 1.25 1.59 2.10 79.80 Average: 0 11.06 0.00 0.94 0.64 1.82 85.55 Average: 1 18.15 0.00 1.85 1.77 2.01 76.23 Average: 2 20.12 0.00 1.34 2.39 2.69 73.46 Average: 3 11.71 0.00 0.86 1.58 1.88 83.97