---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5775 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 7.5G 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 480 5404 0 2091 7217 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:6e:00:66 brd ff:ff:ff:ff:ff:ff inet 10.32.7.107/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe6e:66/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5775) 10/06/25 _x86_64_ (4 CPU) 19:13:00 LINUX RESTART (4 CPU) 19:14:01 tps rtps wtps bread/s bwrtn/s 19:15:01 57.52 0.22 57.31 26.66 9089.55 19:16:01 79.51 18.53 60.98 668.98 8242.19 19:17:01 19.36 0.88 18.48 57.06 4333.81 Average: 52.13 6.54 45.59 250.92 7221.91 19:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:15:01 5838264 7477032 2329148 28.52 55884 1747724 615436 6.68 526592 1608348 123296 19:16:01 5499620 7348320 2667792 32.66 62632 1945748 722776 7.84 750744 1712648 101596 19:17:01 5560844 7414640 2606568 31.91 64648 1948440 658248 7.14 691508 1709612 9832 Average: 5632909 7413331 2534503 31.03 61055 1880637 665487 7.22 656281 1676869 78241 19:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:15:01 ens3 49.11 40.28 646.14 5.07 0.00 0.00 0.00 0.00 19:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:16:01 ens3 302.97 280.57 1403.39 57.65 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:17:01 ens3 58.14 60.74 28.61 538.16 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 136.75 127.21 692.75 200.29 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5775) 10/06/25 _x86_64_ (4 CPU) 19:13:00 LINUX RESTART (4 CPU) 19:14:01 CPU %user %nice %system %iowait %steal %idle 19:15:01 all 20.43 0.00 1.17 1.78 1.16 75.45 19:15:01 0 0.25 0.00 0.33 3.79 0.33 95.30 19:15:01 1 21.85 0.00 1.03 2.02 1.64 73.47 19:15:01 2 24.60 0.00 1.66 1.05 1.40 71.29 19:15:01 3 35.06 0.00 1.67 0.23 1.30 61.73 19:16:01 all 38.52 0.00 2.01 1.28 3.21 54.99 19:16:01 0 48.13 0.00 2.21 2.15 3.50 44.01 19:16:01 1 33.54 0.00 2.00 1.47 3.27 59.71 19:16:01 2 34.81 0.00 1.95 1.09 3.18 58.97 19:16:01 3 37.59 0.00 1.90 0.38 2.88 57.25 19:17:01 all 20.95 0.00 1.05 0.87 1.29 75.84 19:17:01 0 15.10 0.00 1.20 0.48 1.47 81.75 19:17:01 1 36.88 0.00 1.09 0.33 1.63 60.07 19:17:01 2 26.74 0.00 1.21 2.59 1.66 67.81 19:17:01 3 5.09 0.00 0.67 0.08 0.40 93.76 Average: all 26.65 0.00 1.41 1.31 1.89 68.74 Average: 0 21.20 0.00 1.25 2.13 1.77 73.64 Average: 1 30.75 0.00 1.37 1.27 2.18 64.42 Average: 2 28.73 0.00 1.61 1.58 2.08 66.01 Average: 3 25.92 0.00 1.41 0.23 1.53 70.90