---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1839 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: 2799.998 BogoMIPS: 5599.99 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 7.7G 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 479 5202 0 2293 7212 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:e3:57:4d brd ff:ff:ff:ff:ff:ff inet 10.32.6.162/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85948sec preferred_lft 85948sec inet6 fe80::f816:3eff:fee3:574d/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-1839) 08/23/25 _x86_64_ (4 CPU) 23:18:04 LINUX RESTART (4 CPU) 23:19:02 tps rtps wtps bread/s bwrtn/s 23:20:01 59.89 0.32 59.57 28.88 9633.62 23:21:01 68.12 29.65 38.46 1628.25 7091.25 23:22:01 9.37 0.00 9.37 0.00 372.07 23:23:01 39.64 11.86 27.77 747.62 3137.35 23:24:01 26.92 3.77 23.16 105.16 2447.98 23:25:01 25.91 0.73 25.18 84.92 5075.42 Average: 38.25 7.74 30.50 433.66 4612.38 23:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 5820792 7402340 2346628 28.73 52336 1700020 673772 7.31 606688 1559456 63136 23:21:01 5534784 7282364 2632636 32.23 58772 1852012 790204 8.57 738164 1697532 1412 23:22:01 5521312 7276396 2646108 32.40 60612 1856476 790204 8.57 746724 1701392 1108 23:23:01 4528328 6393808 3639092 44.56 62988 1960688 1589008 17.24 1661588 1766236 1284 23:24:01 5406236 7452060 2761184 33.81 66620 2132200 609884 6.62 678928 1865052 107460 23:25:01 5334516 7390356 2832904 34.69 69052 2140148 691964 7.51 749768 1866084 10988 Average: 5357661 7199554 2809759 34.40 61730 1940257 857506 9.30 863643 1742625 30898 23:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:01 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 23:20:01 ens3 58.50 48.40 700.54 6.07 0.00 0.00 0.00 0.00 23:21:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:21:01 ens3 131.13 106.55 943.26 19.58 0.00 0.00 0.00 0.00 23:22:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:22:01 ens3 59.56 85.05 65.97 13.63 0.00 0.00 0.00 0.00 23:23:01 lo 13.60 13.60 4.85 4.85 0.00 0.00 0.00 0.00 23:23:01 ens3 215.24 248.27 1334.60 45.46 0.00 0.00 0.00 0.00 23:24:01 lo 108.51 108.51 31.66 31.66 0.00 0.00 0.00 0.00 23:24:01 ens3 242.87 242.20 1115.22 45.43 0.00 0.00 0.00 0.00 23:25:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 23:25:01 ens3 13.53 13.31 11.06 6.61 0.00 0.00 0.00 0.00 Average: lo 20.89 20.89 6.15 6.15 0.00 0.00 0.00 0.00 Average: ens3 120.32 124.18 695.14 22.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1839) 08/23/25 _x86_64_ (4 CPU) 23:18:04 LINUX RESTART (4 CPU) 23:19:02 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 20.48 0.00 1.33 1.79 0.89 75.51 23:20:01 0 8.70 0.00 0.75 0.03 0.69 89.82 23:20:01 1 11.43 0.00 0.78 5.72 0.51 81.55 23:20:01 2 10.83 0.00 1.06 1.01 0.98 86.11 23:20:01 3 51.01 0.00 2.76 0.39 1.37 44.46 23:21:01 all 19.49 0.00 1.23 1.39 1.27 76.62 23:21:01 0 12.19 0.00 0.91 0.35 1.16 85.39 23:21:01 1 15.95 0.00 0.99 1.79 0.97 80.31 23:21:01 2 18.38 0.00 1.43 2.05 1.15 76.99 23:21:01 3 31.46 0.00 1.55 1.37 1.80 63.82 23:22:01 all 5.93 0.00 0.38 0.03 0.31 93.34 23:22:01 0 3.32 0.00 0.22 0.00 0.27 96.20 23:22:01 1 7.92 0.00 0.97 0.13 0.18 90.79 23:22:01 2 2.00 0.00 0.07 0.00 0.13 97.80 23:22:01 3 10.54 0.00 0.25 0.00 0.65 88.56 23:23:01 all 45.49 0.00 1.55 0.77 3.02 49.18 23:23:01 0 43.56 0.00 1.53 0.77 2.70 51.45 23:23:01 1 45.88 0.00 1.90 1.60 2.77 47.86 23:23:01 2 44.57 0.00 1.14 0.25 2.93 51.11 23:23:01 3 47.93 0.00 1.64 0.47 3.69 46.27 23:24:01 all 30.39 0.00 1.64 0.22 2.14 65.61 23:24:01 0 32.83 0.00 1.70 0.22 1.78 63.48 23:24:01 1 31.53 0.00 1.30 0.02 2.07 65.08 23:24:01 2 29.18 0.00 1.98 0.65 2.28 65.91 23:24:01 3 28.00 0.00 1.55 0.03 2.43 67.98 23:25:01 all 21.01 0.00 1.06 0.57 1.03 76.33 23:25:01 0 0.98 0.00 0.53 1.51 0.60 96.38 23:25:01 1 61.53 0.00 2.05 0.15 1.93 34.34 23:25:01 2 14.74 0.00 0.78 0.07 0.63 83.77 23:25:01 3 6.93 0.00 0.88 0.55 0.96 90.69 Average: all 23.82 0.00 1.20 0.79 1.45 72.74 Average: 0 16.95 0.00 0.94 0.48 1.20 80.43 Average: 1 29.11 0.00 1.33 1.56 1.41 66.60 Average: 2 20.00 0.00 1.08 0.67 1.35 76.90 Average: 3 29.24 0.00 1.44 0.47 1.82 67.04