---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14745 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 7.9G 12G 41% / 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 470 4994 0 2511 7218 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:54:26:3f brd ff:ff:ff:ff:ff:ff inet 10.32.7.185/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe54:263f/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-14745) 10/10/26 _x86_64_ (4 CPU) 05:14:51 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 132.64 54.64 78.00 3565.14 7947.09 05:17:01 101.88 36.86 65.02 2250.96 14007.00 05:18:01 24.63 10.55 14.08 782.14 7146.95 05:19:01 36.58 1.72 34.86 144.78 8238.23 Average: 73.93 25.94 47.99 1685.72 9334.73 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 5883820 7464164 2283600 27.96 49736 1700596 651716 7.07 523076 1578240 200428 05:17:01 5358444 7303580 2808976 34.39 61908 2040228 787116 8.54 725204 1873908 109996 05:18:01 4657812 6832360 3509608 42.97 66668 2258212 1212796 13.16 1277860 2006304 105824 05:19:01 5165428 7442104 3001992 36.76 70988 2353740 632320 6.86 711432 2063260 8496 Average: 5266376 7260552 2901044 35.52 62325 2088194 820987 8.91 809393 1880428 106186 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 ens3 392.50 243.41 1800.72 67.43 0.00 0.00 0.00 0.00 05:16:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 05:17:01 ens3 147.21 142.43 2426.49 24.43 0.00 0.00 0.00 0.00 05:17:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 05:18:01 ens3 128.29 129.24 2192.65 20.53 0.00 0.00 0.00 0.00 05:18:01 lo 121.51 121.51 36.48 36.48 0.00 0.00 0.00 0.00 05:19:01 ens3 52.79 51.74 515.58 15.28 0.00 0.00 0.00 0.00 05:19:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 180.20 141.70 1733.88 31.92 0.00 0.00 0.00 0.00 Average: lo 31.25 31.25 9.20 9.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14745) 10/10/26 _x86_64_ (4 CPU) 05:14:51 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 21.37 0.00 1.82 3.96 0.07 72.78 05:16:01 0 25.33 0.00 1.81 2.24 0.07 70.55 05:16:01 1 9.37 0.00 1.36 4.97 0.07 84.23 05:16:01 2 36.52 0.00 2.25 1.57 0.10 59.55 05:16:01 3 14.23 0.00 1.85 7.02 0.07 76.82 05:17:01 all 17.37 0.00 1.07 2.15 0.07 79.35 05:17:01 0 6.42 0.00 0.60 2.77 0.03 90.17 05:17:01 1 23.27 0.00 1.82 4.46 0.07 70.38 05:17:01 2 17.15 0.00 0.75 0.13 0.07 81.90 05:17:01 3 22.56 0.00 1.14 1.27 0.08 74.95 05:18:01 all 43.17 0.00 1.55 0.40 0.12 54.77 05:18:01 0 42.75 0.00 1.72 0.95 0.12 54.45 05:18:01 1 40.95 0.00 1.50 0.20 0.12 57.23 05:18:01 2 42.88 0.00 1.69 0.25 0.12 55.07 05:18:01 3 46.14 0.00 1.22 0.17 0.12 52.36 05:19:01 all 22.89 0.00 1.18 1.13 0.06 74.75 05:19:01 0 3.70 0.00 0.72 3.04 0.03 92.50 05:19:01 1 22.26 0.00 1.03 0.98 0.05 75.68 05:19:01 2 29.64 0.00 1.33 0.30 0.07 68.66 05:19:01 3 36.20 0.00 1.64 0.15 0.08 61.93 Average: all 26.20 0.00 1.40 1.91 0.08 70.41 Average: 0 19.50 0.00 1.21 2.25 0.06 76.97 Average: 1 23.97 0.00 1.43 2.65 0.08 71.87 Average: 2 31.55 0.00 1.51 0.56 0.09 66.30 Average: 3 29.78 0.00 1.46 2.15 0.09 66.51