---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2028 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 426 1310 0 2207 3254 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:7a:26:fa brd ff:ff:ff:ff:ff:ff inet 10.32.6.243/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86198sec preferred_lft 86198sec inet6 fe80::f816:3eff:fe7a:26fa/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-2028) 12/08/23 _x86_64_ (4 CPU) 12:46:51 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 112.43 66.81 45.63 4507.38 7138.68 12:49:01 119.08 37.23 81.85 2134.98 14851.66 12:50:01 36.26 1.30 34.96 65.06 6813.93 Average: 89.26 35.11 54.15 2235.81 9601.42 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 1793252 3356260 2245392 55.60 49068 1670312 610836 12.01 561704 1509844 146824 12:49:01 1392008 3363552 2646636 65.53 61600 2051988 582164 11.44 679140 1765256 123144 12:50:01 1339864 3332048 2698780 66.82 67020 2066600 599356 11.78 723092 1772668 33536 Average: 1508375 3350620 2530269 62.65 59229 1929633 597452 11.74 654645 1682589 101168 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 363.11 244.89 1422.30 66.00 0.00 0.00 0.00 0.00 12:48:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 12:49:01 ens3 315.50 324.00 1845.78 60.13 0.00 0.00 0.00 0.00 12:49:01 lo 1.83 1.83 0.18 0.18 0.00 0.00 0.00 0.00 12:50:01 ens3 60.94 70.79 53.32 609.22 0.00 0.00 0.00 0.00 12:50:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 246.51 213.23 1107.13 245.12 0.00 0.00 0.00 0.00 Average: lo 1.48 1.48 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2028) 12/08/23 _x86_64_ (4 CPU) 12:46:51 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 21.61 0.00 1.88 3.06 0.05 73.40 12:48:01 0 10.24 0.00 1.18 0.80 0.05 87.73 12:48:01 1 30.94 0.00 2.49 6.92 0.07 59.58 12:48:01 2 21.51 0.00 1.79 3.26 0.05 73.39 12:48:01 3 23.78 0.00 2.04 1.24 0.05 72.89 12:49:01 all 31.95 0.00 1.71 2.07 0.07 64.20 12:49:01 0 29.18 0.00 1.58 0.80 0.07 68.37 12:49:01 1 21.66 0.00 1.11 3.82 0.05 73.36 12:49:01 2 24.45 0.00 1.60 3.02 0.07 70.86 12:49:01 3 52.59 0.00 2.56 0.60 0.12 44.14 12:50:01 all 18.46 0.00 0.91 1.14 0.04 79.45 12:50:01 0 46.27 0.00 1.57 0.13 0.07 51.96 12:50:01 1 7.47 0.00 0.77 3.17 0.02 88.58 12:50:01 2 2.25 0.00 0.54 1.16 0.02 96.04 12:50:01 3 17.82 0.00 0.78 0.08 0.03 81.28 Average: all 24.01 0.00 1.50 2.09 0.05 72.35 Average: 0 28.56 0.00 1.45 0.58 0.06 69.36 Average: 1 20.01 0.00 1.46 4.63 0.04 73.86 Average: 2 16.09 0.00 1.31 2.48 0.04 80.08 Average: 3 31.40 0.00 1.79 0.64 0.07 66.10