---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8280 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 458 5189 0 2327 7234 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:86:c6:55 brd ff:ff:ff:ff:ff:ff inet 10.32.6.68/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86026sec preferred_lft 86026sec inet6 fe80::f816:3eff:fe86:c655/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8280) 03/07/26 _x86_64_ (4 CPU) 03:47:58 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:01 168.09 84.34 83.75 4925.98 40121.20 03:50:01 64.37 12.51 51.86 265.02 8517.38 03:51:01 33.36 0.03 33.32 0.80 6759.48 03:52:01 11.15 0.02 11.13 0.13 455.66 03:53:01 51.22 1.02 50.20 90.82 12302.27 03:54:01 20.60 0.12 20.48 3.07 1412.70 Average: 58.15 16.38 41.77 883.12 11592.70 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:01 6028300 7416732 2139120 26.19 36244 1532828 711732 7.72 581448 1395192 70004 03:50:01 5698928 7350256 2468492 30.22 56432 1759636 832968 9.04 668892 1605696 124156 03:51:01 5525692 7250844 2641728 32.34 58604 1829388 882324 9.57 769396 1674172 1488 03:52:01 5421504 7233084 2745916 33.62 60416 1911928 882324 9.57 787024 1755112 78444 03:53:01 5353612 7443308 2813808 34.45 65688 2178360 658820 7.15 596640 2002088 26652 03:54:01 5261284 7353372 2906136 35.58 67648 2178508 747840 8.11 691740 1997928 9932 Average: 5548220 7341266 2619200 32.07 57505 1898441 786001 8.53 682523 1738365 51779 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:01 lo 1.57 1.57 0.15 0.15 0.00 0.00 0.00 0.00 03:49:01 ens3 421.76 234.29 1208.41 66.17 0.00 0.00 0.00 0.00 03:50:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 03:50:01 ens3 62.56 48.44 697.95 12.88 0.00 0.00 0.00 0.00 03:51:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:51:01 ens3 92.47 101.90 1151.25 14.52 0.00 0.00 0.00 0.00 03:52:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:52:01 ens3 338.78 281.44 1392.76 29.35 0.00 0.00 0.00 0.00 03:53:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:53:01 ens3 398.56 386.55 2753.76 60.15 0.00 0.00 0.00 0.00 03:54:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 03:54:01 ens3 8.77 10.13 6.54 4.81 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 Average: ens3 219.99 176.55 1197.50 31.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8280) 03/07/26 _x86_64_ (4 CPU) 03:47:58 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:01 all 22.31 0.00 2.89 5.26 1.42 68.12 03:49:01 0 28.70 0.00 1.90 6.53 1.43 61.44 03:49:01 1 15.41 0.00 2.05 4.83 1.40 76.32 03:49:01 2 18.34 0.00 5.18 5.98 1.45 69.05 03:49:01 3 26.82 0.00 2.39 3.71 1.37 65.71 03:50:01 all 23.35 0.00 1.46 1.77 1.32 72.10 03:50:01 0 11.89 0.00 0.88 1.10 0.96 85.17 03:50:01 1 13.42 0.00 0.75 4.44 1.22 80.17 03:50:01 2 16.50 0.00 1.08 0.27 1.15 81.00 03:50:01 3 51.63 0.00 3.13 1.26 1.93 42.05 03:51:01 all 9.95 0.00 0.49 0.47 0.59 88.50 03:51:01 0 3.33 0.00 0.25 1.15 0.37 94.90 03:51:01 1 16.58 0.00 0.12 0.12 0.73 82.45 03:51:01 2 7.67 0.00 0.84 0.55 0.55 90.39 03:51:01 3 12.23 0.00 0.75 0.05 0.73 86.24 03:52:01 all 5.13 0.00 0.49 0.13 0.23 94.03 03:52:01 0 2.20 0.00 0.23 0.00 0.18 97.38 03:52:01 1 6.71 0.00 0.35 0.08 0.35 92.50 03:52:01 2 3.50 0.00 0.34 0.22 0.13 95.81 03:52:01 3 8.09 0.00 1.04 0.20 0.23 90.44 03:53:01 all 20.14 0.00 1.44 0.69 1.11 76.62 03:53:01 0 23.21 0.00 1.42 0.02 0.90 74.45 03:53:01 1 10.02 0.00 1.22 0.74 0.64 87.38 03:53:01 2 31.43 0.00 1.42 1.74 1.51 63.90 03:53:01 3 15.93 0.00 1.72 0.25 1.40 80.69 03:54:01 all 18.77 0.00 0.73 0.48 0.72 79.31 03:54:01 0 24.71 0.00 0.62 1.42 0.72 72.54 03:54:01 1 0.65 0.00 0.23 0.00 0.15 98.97 03:54:01 2 37.51 0.00 1.23 0.45 1.21 59.59 03:54:01 3 12.16 0.00 0.80 0.05 0.78 86.21 Average: all 16.61 0.00 1.25 1.47 0.90 79.78 Average: 0 15.65 0.00 0.88 1.71 0.76 81.00 Average: 1 10.47 0.00 0.78 1.71 0.75 86.29 Average: 2 19.15 0.00 1.68 1.54 1.00 76.63 Average: 3 21.16 0.00 1.64 0.92 1.07 75.20