---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8715 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 467 5334 0 2173 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:65:ca:31 brd ff:ff:ff:ff:ff:ff inet 10.32.6.79/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fe65:ca31/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8715) 03/12/26 _x86_64_ (4 CPU) 14:54:56 LINUX RESTART (4 CPU) 14:55:01 tps rtps wtps bread/s bwrtn/s 14:56:01 164.32 79.07 85.25 4824.53 40733.49 14:57:01 85.95 30.06 55.89 1701.98 9323.38 14:58:01 69.67 8.85 60.82 510.71 7997.07 14:59:01 26.49 1.65 24.84 76.91 4946.35 Average: 86.61 29.91 56.70 1778.46 15749.62 14:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:56:01 5975184 7395324 2192236 26.84 37048 1563132 727172 7.89 608012 1423204 84008 14:57:01 5652496 7350772 2514924 30.79 57448 1804960 783528 8.50 672532 1648276 118236 14:58:01 5508360 7433816 2659060 32.56 64964 2018132 648804 7.04 706588 1746280 114080 14:59:01 5433816 7371776 2733604 33.47 67304 2028044 710380 7.71 776580 1749820 8660 Average: 5642464 7387922 2524956 30.91 56691 1853567 717471 7.79 690928 1641895 81246 14:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:56:01 ens3 414.36 223.86 1505.64 65.30 0.00 0.00 0.00 0.00 14:56:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 14:57:01 ens3 75.70 65.39 472.68 16.90 0.00 0.00 0.00 0.00 14:57:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 14:58:01 ens3 331.79 366.12 1558.53 60.39 0.00 0.00 0.00 0.00 14:58:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 14:59:01 ens3 56.60 62.58 27.64 600.58 0.00 0.00 0.00 0.00 14:59:01 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 219.61 179.48 891.09 185.81 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 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-8715) 03/12/26 _x86_64_ (4 CPU) 14:54:56 LINUX RESTART (4 CPU) 14:55:01 CPU %user %nice %system %iowait %steal %idle 14:56:01 all 22.54 0.00 2.82 5.42 1.05 68.17 14:56:01 0 22.93 0.00 1.67 1.45 0.92 73.04 14:56:01 1 34.82 0.00 2.93 9.97 1.15 51.13 14:56:01 2 17.26 0.00 4.97 4.20 0.92 72.65 14:56:01 3 15.22 0.00 1.68 6.05 1.20 75.84 14:57:01 all 24.46 0.00 1.84 2.28 1.23 70.18 14:57:01 0 18.88 0.00 1.48 0.70 0.80 78.14 14:57:01 1 12.48 0.00 1.45 6.82 1.02 78.23 14:57:01 2 11.51 0.00 1.02 0.54 1.07 85.87 14:57:01 3 54.88 0.00 3.41 1.03 2.03 38.65 14:58:01 all 46.59 0.00 2.78 0.95 3.25 46.43 14:58:01 0 46.50 0.00 1.46 0.50 3.02 48.52 14:58:01 1 47.48 0.00 2.69 1.69 3.27 44.87 14:58:01 2 48.85 0.00 3.80 1.19 3.58 42.58 14:58:01 3 43.49 0.00 3.20 0.43 3.14 49.74 14:59:01 all 21.27 0.00 0.84 0.87 0.82 76.21 14:59:01 0 23.12 0.00 0.72 0.17 0.77 75.23 14:59:01 1 39.61 0.00 1.35 0.12 1.13 57.79 14:59:01 2 7.02 0.00 0.70 3.11 0.58 88.58 14:59:01 3 15.35 0.00 0.58 0.08 0.80 83.19 Average: all 28.73 0.00 2.07 2.38 1.59 65.23 Average: 0 27.88 0.00 1.33 0.70 1.38 68.71 Average: 1 33.61 0.00 2.10 4.64 1.65 57.99 Average: 2 21.20 0.00 2.62 2.26 1.54 72.38 Average: 3 32.24 0.00 2.22 1.90 1.79 61.85