---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-456 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: 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 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 8.2G 12G 43% / 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 464 4741 0 2769 7223 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:d3:2f:30 brd ff:ff:ff:ff:ff:ff inet 10.32.6.54/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86017sec preferred_lft 86017sec inet6 fe80::f816:3eff:fed3:2f30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-456) 05/09/26 _x86_64_ (4 CPU) 15:07:54 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 139.57 54.78 84.79 3592.27 40481.86 15:10:01 83.38 30.16 53.21 1684.60 9641.62 15:11:01 38.06 0.23 37.83 3.20 19130.14 15:12:01 9.62 0.00 9.62 0.00 380.34 15:13:01 44.09 2.15 41.94 115.16 8709.10 15:14:01 26.88 0.70 26.18 77.85 4963.17 Average: 56.86 14.63 42.23 910.08 13896.78 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 6000804 7422980 2166608 26.53 36792 1565612 688280 7.47 573636 1429336 87620 15:10:01 5673324 7369392 2494088 30.54 56480 1804288 825328 8.96 667624 1631384 107156 15:11:01 5146952 7309908 3020460 36.98 58460 2261972 783312 8.50 722568 2087720 1752 15:12:01 5128936 7299164 3038476 37.20 60404 2266384 791280 8.59 735192 2091236 1232 15:13:01 4890364 7416044 3277048 40.12 65148 2609540 660616 7.17 635368 2414444 111520 15:14:01 4862364 7400136 3305048 40.47 67784 2618676 680356 7.38 658904 2417860 10680 Average: 5283791 7369604 2883621 35.31 57511 2187745 738195 8.01 665549 2011997 53327 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 15:09:02 ens3 424.29 232.32 1452.87 65.47 0.00 0.00 0.00 0.00 15:10:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 15:10:01 ens3 64.18 50.13 451.63 13.28 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 15:11:01 ens3 288.79 206.52 7653.68 21.42 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 57.37 81.69 63.14 13.43 0.00 0.00 0.00 0.00 15:13:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 15:13:01 ens3 640.80 563.36 4089.84 72.99 0.00 0.00 0.00 0.00 15:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:14:01 ens3 12.98 13.15 10.90 6.47 0.00 0.00 0.00 0.00 Average: lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 248.60 191.60 2292.15 32.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-456) 05/09/26 _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 21.69 0.00 2.59 4.61 1.86 69.25 15:09:02 0 11.97 0.00 1.08 5.84 1.40 79.71 15:09:02 1 24.32 0.00 4.57 6.87 1.94 62.30 15:09:02 2 26.12 0.00 2.12 3.88 2.06 65.81 15:09:02 3 24.33 0.00 2.58 1.88 2.03 69.17 15:10:01 all 22.08 0.00 1.54 2.18 1.42 72.78 15:10:01 0 19.10 0.00 1.18 0.29 1.03 78.40 15:10:01 1 4.37 0.00 0.74 4.93 1.14 88.82 15:10:01 2 24.86 0.00 2.11 2.45 1.54 69.04 15:10:01 3 40.17 0.00 2.13 1.00 1.98 54.73 15:11:01 all 11.96 0.00 1.03 0.51 1.45 85.05 15:11:01 0 8.73 0.00 0.35 0.00 0.77 90.16 15:11:01 1 8.25 0.00 1.84 0.76 1.54 87.59 15:11:01 2 10.45 0.00 0.75 1.18 1.30 86.33 15:11:01 3 20.42 0.00 1.21 0.10 2.20 76.07 15:12:01 all 3.92 0.00 0.36 0.03 0.93 94.77 15:12:01 0 0.93 0.00 0.18 0.00 0.30 98.58 15:12:01 1 2.57 0.00 0.20 0.12 0.66 96.45 15:12:01 2 4.38 0.00 0.28 0.02 1.03 94.30 15:12:01 3 7.76 0.00 0.75 0.00 1.71 89.78 15:13:01 all 16.64 0.00 1.55 0.48 2.27 79.05 15:13:01 0 16.80 0.00 1.85 0.66 1.87 78.81 15:13:01 1 10.83 0.00 1.11 0.53 1.85 85.67 15:13:01 2 22.58 0.00 1.69 0.55 2.70 72.49 15:13:01 3 16.29 0.00 1.56 0.22 2.68 79.25 15:14:01 all 19.94 0.00 0.90 0.92 1.21 77.03 15:14:01 0 22.57 0.00 1.12 0.33 1.02 74.96 15:14:01 1 28.83 0.00 0.88 0.22 1.18 68.90 15:14:01 2 15.99 0.00 0.99 3.02 1.77 78.23 15:14:01 3 12.41 0.00 0.61 0.07 0.86 86.05 Average: all 16.02 0.00 1.33 1.45 1.52 79.67 Average: 0 13.34 0.00 0.96 1.19 1.06 83.44 Average: 1 13.22 0.00 1.56 2.23 1.39 81.61 Average: 2 17.37 0.00 1.32 1.85 1.73 77.73 Average: 3 20.16 0.00 1.47 0.54 1.91 75.92