---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1515 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.2G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 543 12362 0 3134 15167 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 1458 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:80:b1:5b brd ff:ff:ff:ff:ff:ff inet 10.30.107.172/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86166sec preferred_lft 86166sec inet6 fe80::f816:3eff:fe80:b15b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1515) 12/01/23 _x86_64_ (4 CPU) 18:10:51 LINUX RESTART (4 CPU) 18:11:01 tps rtps wtps bread/s bwrtn/s 18:12:01 148.34 66.97 81.37 4576.84 31965.61 18:13:01 193.25 31.88 161.37 1776.84 43535.30 18:14:01 77.79 4.07 73.72 110.91 38216.03 Average: 139.80 34.31 105.49 2154.82 37906.27 18:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:12:01 14059640 15620992 2365328 14.40 59732 1704280 732472 4.19 616440 1541268 157100 18:13:01 12987352 15032200 3437616 20.93 82224 2145584 1147320 6.57 1252816 1935992 27836 18:14:01 12741012 15597560 3683956 22.43 94068 2924756 718584 4.11 1109900 2291704 197404 Average: 13262668 15416917 3162300 19.25 78675 2258207 866125 4.96 993052 1922988 127447 18:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:12:01 lo 1.53 1.53 0.16 0.16 0.00 0.00 0.00 0.00 18:12:01 ens3 408.88 260.67 1549.70 60.87 0.00 0.00 0.00 0.00 18:13:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 18:13:01 ens3 482.71 437.95 4810.46 89.51 0.00 0.00 0.00 0.00 18:14:01 lo 18.80 18.80 1.69 1.69 0.00 0.00 0.00 0.00 18:14:01 ens3 457.19 420.88 3971.97 2472.27 0.00 0.00 0.00 0.00 Average: lo 6.95 6.95 0.63 0.63 0.00 0.00 0.00 0.00 Average: ens3 449.60 373.17 3444.19 874.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1515) 12/01/23 _x86_64_ (4 CPU) 18:10:51 LINUX RESTART (4 CPU) 18:11:01 CPU %user %nice %system %iowait %steal %idle 18:12:01 all 22.45 0.00 2.00 4.65 0.06 70.84 18:12:01 0 35.62 0.00 2.70 10.10 0.10 51.48 18:12:01 1 17.47 0.00 1.72 1.59 0.03 79.19 18:12:01 2 11.56 0.00 1.66 6.23 0.03 80.52 18:12:01 3 25.16 0.00 1.94 0.69 0.05 72.16 18:13:01 all 31.69 0.00 2.09 4.47 0.13 61.61 18:13:01 0 29.08 0.00 1.45 6.43 0.10 62.95 18:13:01 1 28.49 0.00 2.35 2.13 0.10 66.93 18:13:01 2 22.93 0.00 2.28 7.27 0.25 67.25 18:13:01 3 46.20 0.00 2.31 2.06 0.10 49.33 18:14:01 all 38.02 0.00 2.22 2.66 0.10 57.00 18:14:01 0 35.18 0.00 1.41 0.74 0.08 62.59 18:14:01 1 54.94 0.00 2.77 5.12 0.14 37.04 18:14:01 2 33.64 0.00 3.31 4.53 0.10 58.41 18:14:01 3 28.54 0.00 1.41 0.28 0.08 69.69 Average: all 30.71 0.00 2.10 3.92 0.10 63.16 Average: 0 33.30 0.00 1.85 5.75 0.10 59.00 Average: 1 33.56 0.00 2.28 2.94 0.09 61.14 Average: 2 22.70 0.00 2.42 6.01 0.13 68.74 Average: 3 33.29 0.00 1.89 1.01 0.08 63.74