---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10028 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 8.8G 11G 46% / 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 469 4067 0 3439 7207 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:91:2d:5a brd ff:ff:ff:ff:ff:ff inet 10.32.7.138/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85977sec preferred_lft 85977sec inet6 fe80::f816:3eff:fe91:2d5a/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-10028) 09/05/26 _x86_64_ (4 CPU) 11:16:54 LINUX RESTART (4 CPU) 11:17:01 tps rtps wtps bread/s bwrtn/s 11:18:02 133.31 65.66 67.64 3948.02 39414.35 11:19:01 58.21 0.17 58.04 21.15 10209.79 11:20:01 90.45 29.96 60.49 1664.26 42307.62 11:21:01 8.73 0.02 8.71 0.13 355.88 11:22:01 11.70 0.00 11.70 0.00 3579.67 11:23:01 53.09 2.65 50.44 179.97 9215.13 Average: 59.25 16.46 42.80 971.62 17534.21 11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:02 6065228 7436356 2102192 25.74 34988 1517324 671984 7.29 559200 1381312 62012 11:19:01 5784780 7394888 2382640 29.17 53280 1726104 708404 7.69 610352 1586200 75012 11:20:01 4453096 7287024 3714324 45.48 59092 2921176 767436 8.33 736200 2745436 2076 11:21:01 4437900 7279052 3729520 45.66 61032 2925516 775476 8.41 746516 2748932 1640 11:22:01 4226244 7170252 3941176 48.25 62552 3024572 896124 9.72 855740 2846488 2376 11:23:01 4178840 7391532 3988580 48.84 68084 3282012 673048 7.30 657184 3081688 24772 Average: 4857681 7326517 3309739 40.52 56505 2566117 748745 8.12 694199 2398343 27981 11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:02 ens3 271.36 155.03 1037.73 59.93 0.00 0.00 0.00 0.00 11:18:02 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 11:19:01 ens3 36.91 26.30 783.62 4.14 0.00 0.00 0.00 0.00 11:19:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:20:01 ens3 628.55 349.38 17263.84 38.84 0.00 0.00 0.00 0.00 11:20:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 11:21:01 ens3 49.57 69.81 54.57 13.59 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 398.40 294.92 1680.75 34.06 0.00 0.00 0.00 0.00 11:22:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 11:23:01 ens3 251.82 237.56 2413.88 52.81 0.00 0.00 0.00 0.00 11:23:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 273.42 189.28 3880.82 33.98 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10028) 09/05/26 _x86_64_ (4 CPU) 11:16:54 LINUX RESTART (4 CPU) 11:17:01 CPU %user %nice %system %iowait %steal %idle 11:18:02 all 19.93 0.00 2.77 6.08 4.69 66.52 11:18:02 0 27.59 0.00 5.74 5.95 5.82 54.89 11:18:02 1 22.80 0.00 2.02 1.88 4.31 68.99 11:18:02 2 18.87 0.00 1.93 6.28 4.92 68.01 11:18:02 3 10.37 0.00 1.35 10.22 3.71 74.36 11:19:01 all 17.76 0.00 1.08 3.09 2.65 75.42 11:19:01 0 3.43 0.00 0.25 0.00 1.72 94.60 11:19:01 1 56.55 0.00 2.48 1.68 4.30 34.99 11:19:01 2 9.44 0.00 0.68 0.03 2.76 87.09 11:19:01 3 1.77 0.00 0.87 10.65 1.86 84.85 11:20:01 all 17.82 0.00 1.74 3.09 4.94 72.42 11:20:01 0 13.76 0.00 1.30 1.30 4.32 79.31 11:20:01 1 31.42 0.00 3.69 7.44 5.49 51.97 11:20:01 2 11.85 0.00 0.84 0.85 6.04 80.42 11:20:01 3 14.38 0.00 1.15 2.83 3.87 77.77 11:21:01 all 5.09 0.00 0.35 0.04 2.86 91.66 11:21:01 0 2.11 0.00 0.07 0.00 0.75 97.08 11:21:01 1 8.71 0.00 0.34 0.13 3.23 87.59 11:21:01 2 2.03 0.00 0.24 0.00 3.33 94.39 11:21:01 3 7.42 0.00 0.76 0.00 4.09 87.73 11:22:01 all 6.25 0.00 0.57 0.20 2.54 90.44 11:22:01 0 2.09 0.00 0.05 0.00 0.55 97.31 11:22:01 1 7.81 0.00 0.85 0.43 3.14 87.78 11:22:01 2 8.80 0.00 0.49 0.11 3.68 86.91 11:22:01 3 6.25 0.00 0.85 0.26 2.74 89.90 11:23:01 all 20.19 0.00 1.36 1.22 3.40 73.82 11:23:01 0 31.75 0.00 1.47 0.22 3.37 63.19 11:23:01 1 32.98 0.00 1.34 4.46 3.86 57.36 11:23:01 2 10.44 0.00 1.64 0.11 4.43 83.38 11:23:01 3 5.79 0.00 1.01 0.12 1.95 91.14 Average: all 14.50 0.00 1.31 2.29 3.52 78.38 Average: 0 13.54 0.00 1.50 1.27 2.78 80.92 Average: 1 26.58 0.00 1.78 2.67 4.06 64.92 Average: 2 10.24 0.00 0.97 1.23 4.20 83.36 Average: 3 7.69 0.00 1.00 3.99 3.04 84.29