---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-535 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 466 5325 0 2184 7229 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:d1:05:06 brd ff:ff:ff:ff:ff:ff inet 10.32.6.201/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fed1:506/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-535) 05/10/26 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 139.69 56.06 83.62 3645.58 40828.27 12:49:01 88.17 30.59 57.58 1730.96 9289.82 12:50:01 65.91 8.81 57.10 516.09 7232.52 12:51:01 28.84 3.40 25.44 130.09 4994.74 Average: 80.62 24.69 55.93 1504.73 15612.94 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 5967256 7409840 2200164 26.94 38264 1583204 699696 7.59 594908 1440680 98572 12:49:01 5603864 7313024 2563556 31.39 57924 1814824 781116 8.48 708828 1658888 101124 12:50:01 5511900 7445456 2655520 32.51 65016 2025864 648684 7.04 691896 1755168 113988 12:51:01 5441800 7390576 2725620 33.37 67228 2038476 696520 7.56 756028 1760352 8796 Average: 5631205 7389724 2536215 31.05 57108 1865592 706504 7.67 687915 1653772 80620 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 466.11 264.90 1520.04 66.96 0.00 0.00 0.00 0.00 12:48:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:49:01 ens3 85.10 81.97 486.16 20.17 0.00 0.00 0.00 0.00 12:49:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 12:50:01 ens3 299.52 346.17 1517.27 55.40 0.00 0.00 0.00 0.00 12:50:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 12:51:01 ens3 55.98 62.86 27.61 608.83 0.00 0.00 0.00 0.00 12:51:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 227.28 189.43 889.47 188.55 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-535) 05/10/26 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 21.71 0.00 2.69 3.87 0.96 70.77 12:48:02 0 42.39 0.00 2.40 5.34 1.27 48.60 12:48:02 1 9.08 0.00 4.25 6.09 0.69 79.89 12:48:02 2 12.99 0.00 2.16 0.88 0.87 83.10 12:48:02 3 22.38 0.00 1.99 3.19 0.99 71.45 12:49:01 all 25.46 0.00 1.70 1.76 1.04 70.04 12:49:01 0 21.96 0.00 1.53 0.39 1.00 75.12 12:49:01 1 27.58 0.00 1.95 3.85 1.07 65.55 12:49:01 2 40.36 0.00 2.41 2.55 1.36 53.32 12:49:01 3 11.94 0.00 0.88 0.25 0.76 86.16 12:50:01 all 39.93 0.00 2.22 0.80 2.39 54.67 12:50:01 0 42.09 0.00 2.20 0.27 2.25 53.20 12:50:01 1 39.77 0.00 1.70 1.94 2.47 54.12 12:50:01 2 38.77 0.00 2.02 0.13 2.25 56.83 12:50:01 3 39.11 0.00 2.96 0.87 2.56 54.51 12:51:01 all 20.27 0.00 0.90 0.77 0.70 77.36 12:51:01 0 24.33 0.00 0.78 0.08 0.67 74.13 12:51:01 1 13.46 0.00 0.97 1.60 0.57 83.41 12:51:01 2 22.61 0.00 1.22 0.82 0.72 74.64 12:51:01 3 20.66 0.00 0.63 0.58 0.83 77.29 Average: all 26.85 0.00 1.88 1.80 1.27 68.20 Average: 0 32.73 0.00 1.73 1.52 1.30 62.72 Average: 1 22.47 0.00 2.22 3.36 1.20 70.76 Average: 2 28.62 0.00 1.95 1.09 1.30 67.04 Average: 3 23.57 0.00 1.62 1.23 1.29 72.30