---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2673 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 5342 0 2167 7228 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:fa:ac:06 brd ff:ff:ff:ff:ff:ff inet 10.32.6.174/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fefa:ac06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2673) 06/05/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 137.95 56.30 81.65 3650.00 40169.48 19:15:01 58.23 0.19 58.04 22.37 10228.23 19:16:01 84.86 18.51 66.35 669.53 9979.81 19:17:01 26.18 3.05 23.13 123.45 4527.91 Average: 76.88 19.59 57.29 1120.77 16249.93 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 6052960 7448612 2114452 25.89 35980 1540224 674440 7.32 549756 1402656 69160 19:15:01 5711856 7397688 2455556 30.07 54700 1796404 697916 7.57 615000 1646272 153788 19:16:01 5496656 7412416 2670756 32.70 63544 2009200 690616 7.49 684152 1776344 100332 19:17:01 5510952 7440528 2656460 32.53 65676 2020392 639164 6.94 664036 1780168 8964 Average: 5693106 7424811 2474306 30.29 54975 1841555 675534 7.33 628236 1651360 83061 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 403.23 239.47 1208.99 65.88 0.00 0.00 0.00 0.00 19:14:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 19:15:01 ens3 59.07 50.47 685.08 5.59 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 295.94 292.59 1403.26 57.16 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 55.06 61.47 30.18 536.72 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 203.93 161.47 832.53 167.01 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2673) 06/05/26 _x86_64_ (4 CPU) 19:12:55 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 19.37 0.00 2.71 4.21 1.49 72.22 19:14:02 0 11.69 0.00 1.58 0.35 1.26 85.12 19:14:02 1 28.56 0.00 1.74 7.08 1.93 60.69 19:14:02 2 16.67 0.00 1.74 7.59 1.10 72.90 19:14:02 3 20.54 0.00 5.77 1.83 1.68 70.18 19:15:01 all 19.91 0.00 1.20 1.66 1.24 76.00 19:15:01 0 11.19 0.00 0.89 0.03 1.86 86.03 19:15:01 1 32.09 0.00 1.85 2.63 1.29 62.15 19:15:01 2 35.99 0.00 1.51 0.17 1.41 60.93 19:15:01 3 0.47 0.00 0.54 3.83 0.37 94.78 19:16:01 all 39.88 0.00 2.17 1.34 3.27 53.34 19:16:01 0 38.08 0.00 1.82 0.25 3.28 56.57 19:16:01 1 45.93 0.00 2.02 0.40 3.00 48.64 19:16:01 2 40.95 0.00 2.24 2.32 3.32 51.17 19:16:01 3 34.63 0.00 2.58 2.38 3.47 56.94 19:17:01 all 20.90 0.00 1.13 0.82 1.14 76.01 19:17:01 0 45.24 0.00 1.89 0.33 2.02 50.51 19:17:01 1 5.68 0.00 0.67 0.28 0.53 92.84 19:17:01 2 29.80 0.00 1.33 2.14 1.72 65.02 19:17:01 3 2.77 0.00 0.63 0.51 0.27 95.82 Average: all 25.05 0.00 1.80 2.01 1.79 69.36 Average: 0 26.59 0.00 1.55 0.24 2.11 69.51 Average: 1 28.06 0.00 1.57 2.60 1.69 66.08 Average: 2 30.85 0.00 1.70 3.06 1.89 62.49 Average: 3 14.70 0.00 2.39 2.13 1.45 79.33