---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1203 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 472 5212 0 2291 7220 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:e5:fe:1f brd ff:ff:ff:ff:ff:ff inet 10.32.6.188/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85976sec preferred_lft 85976sec inet6 fe80::f816:3eff:fee5:fe1f/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-1203) 08/16/25 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 113.32 54.38 58.94 3579.08 8365.51 23:20:01 85.85 29.59 56.26 1664.80 9902.73 23:21:01 32.92 0.75 32.17 18.26 5610.00 23:22:01 23.02 0.10 22.92 1.20 2795.73 23:23:01 21.30 10.38 10.91 718.55 671.62 23:24:01 41.44 4.45 36.99 188.74 6493.70 Average: 52.89 16.57 36.31 1026.86 5628.34 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 5973836 7399416 2193576 26.86 37196 1568008 698256 7.58 601328 1427508 88276 23:20:01 5671100 7368208 2496312 30.56 57192 1803780 833764 9.05 648340 1651264 108800 23:21:01 5508080 7258684 2659332 32.56 59336 1853456 814184 8.83 759588 1698728 1992 23:22:01 5368044 7199380 2799368 34.27 62084 1928572 858680 9.32 820696 1770720 4612 23:23:01 4338356 6203560 3829056 46.88 63244 1959596 1807744 19.62 1846072 1765536 88 23:24:01 5347632 7399784 2819780 34.52 68316 2137660 683588 7.42 734556 1866648 27012 Average: 5367841 7138172 2799571 34.28 57895 1875179 949369 10.30 901763 1696734 38463 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:19:02 ens3 401.15 239.12 1421.59 65.76 0.00 0.00 0.00 0.00 23:20:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 23:20:01 ens3 68.94 41.28 426.45 12.56 0.00 0.00 0.00 0.00 23:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:21:01 ens3 101.78 118.04 807.39 18.42 0.00 0.00 0.00 0.00 23:22:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 23:22:01 ens3 208.75 250.37 1240.75 36.02 0.00 0.00 0.00 0.00 23:23:01 lo 86.72 86.72 32.05 32.05 0.00 0.00 0.00 0.00 23:23:01 ens3 42.18 48.59 130.74 8.87 0.00 0.00 0.00 0.00 23:24:01 lo 34.44 34.44 4.28 4.28 0.00 0.00 0.00 0.00 23:24:01 ens3 199.30 234.76 1112.34 42.60 0.00 0.00 0.00 0.00 Average: lo 20.74 20.74 6.12 6.12 0.00 0.00 0.00 0.00 Average: ens3 170.65 155.68 857.79 30.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1203) 08/16/25 _x86_64_ (4 CPU) 23:17:51 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 22.06 0.00 1.71 3.42 1.27 71.54 23:19:02 0 19.60 0.00 1.20 1.10 0.93 77.17 23:19:02 1 25.76 0.00 2.22 7.86 1.84 62.32 23:19:02 2 28.28 0.00 1.65 2.32 1.35 66.41 23:19:02 3 14.59 0.00 1.75 2.37 0.97 80.32 23:20:01 all 22.30 0.00 1.49 2.16 1.29 72.75 23:20:01 0 3.25 0.00 0.37 2.59 0.59 93.19 23:20:01 1 39.79 0.00 2.12 2.69 2.39 53.00 23:20:01 2 38.21 0.00 2.56 1.17 1.59 56.47 23:20:01 3 7.87 0.00 0.90 2.22 0.59 88.42 23:21:01 all 12.18 0.00 0.60 0.36 0.69 86.16 23:21:01 0 7.64 0.00 0.20 0.00 0.45 91.71 23:21:01 1 12.43 0.00 0.45 0.95 0.68 85.49 23:21:01 2 11.54 0.00 1.24 0.48 0.43 86.31 23:21:01 3 17.13 0.00 0.53 0.00 1.18 81.15 23:22:01 all 7.54 0.00 0.74 0.13 0.45 91.13 23:22:01 0 6.27 0.00 0.35 0.00 0.30 93.07 23:22:01 1 8.99 0.00 0.97 0.28 0.37 89.40 23:22:01 2 7.32 0.00 0.81 0.27 0.30 91.31 23:22:01 3 7.56 0.00 0.85 0.00 0.87 90.72 23:23:01 all 51.01 0.00 1.65 0.53 3.45 43.36 23:23:01 0 51.82 0.00 1.61 0.31 3.46 42.80 23:23:01 1 54.59 0.00 1.51 0.33 3.35 40.21 23:23:01 2 48.49 0.00 1.92 1.34 3.78 44.47 23:23:01 3 49.17 0.00 1.51 0.12 3.19 46.01 23:24:01 all 26.39 0.00 1.44 0.58 1.32 70.28 23:24:01 0 19.44 0.00 0.62 0.03 0.87 79.04 23:24:01 1 11.86 0.00 1.45 1.57 1.02 84.10 23:24:01 2 55.07 0.00 1.60 0.18 2.03 41.11 23:24:01 3 19.21 0.00 2.14 0.53 1.35 76.77 Average: all 23.61 0.00 1.27 1.20 1.41 72.51 Average: 0 18.09 0.00 0.73 0.67 1.10 79.41 Average: 1 25.56 0.00 1.45 2.28 1.61 69.09 Average: 2 31.49 0.00 1.63 0.96 1.59 64.34 Average: 3 19.30 0.00 1.28 0.87 1.36 77.18