---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1708 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 61G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 687 11303 4 3998 14959 Swap: 1023 14 1009 ---> 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 mq state UP group default qlen 1000 link/ether fa:16:3e:00:77:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79432sec preferred_lft 79432sec inet6 fe80::f816:3eff:fe00:77da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:df:90:9c:35:2f brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-153-generic (prd-ubuntu2204-docker-4c-16g-1708) 10/24/25 _x86_64_ (4 CPU) 08:14:19 LINUX RESTART (4 CPU) 08:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:09 87.80 22.19 61.80 3.82 290.01 12695.86 4761.72 08:40:09 20.02 4.56 14.71 0.75 89.56 422.69 1122.79 08:50:09 13.81 0.39 12.56 0.86 13.42 661.60 1617.25 09:00:09 9.36 0.06 8.94 0.36 1.73 240.32 294.54 09:10:09 16.23 0.06 15.42 0.75 2.99 436.13 361.11 09:20:26 4.98 0.03 4.79 0.16 0.99 120.95 58.77 09:30:27 6.43 0.02 6.19 0.21 1.19 154.85 124.07 09:40:39 5.35 0.03 5.15 0.17 0.55 134.57 48.37 09:50:27 8.98 0.01 8.52 0.45 0.37 535.83 383.58 10:00:28 5.73 0.01 5.57 0.15 0.52 158.16 40.87 Average: 17.82 2.73 14.33 0.77 40.01 1550.68 878.07 08:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:09 156760 3774016 12146996 74.19 262464 3321168 13212832 75.84 2049036 13544320 236 08:40:09 3219412 6220080 9714672 59.33 260636 2747356 11141704 63.95 2080212 10521392 500 08:50:09 9250876 12363052 3573952 21.83 265384 2853800 4363800 25.05 2101948 4482120 7424 09:00:09 10634240 13769280 2170112 13.25 267656 2874428 2931628 16.83 2121716 3077328 240 09:10:09 8371676 11559340 4379268 26.75 269972 2924736 5087156 29.20 2128112 5344824 424 09:20:26 8137580 11339052 4599184 28.09 270584 2937928 5313548 30.50 2129472 5559864 480 09:30:27 6624524 9842544 6094904 37.23 271120 2953940 6792368 38.99 2131336 7075320 448 09:40:39 6578584 9812816 6124648 37.41 271700 2969580 6838844 39.25 2134428 7123276 136 09:50:27 8242468 11589552 4348680 26.56 275792 3078312 5132500 29.46 2142476 5457072 2608 10:00:28 7942536 11309176 4628812 28.27 276440 3097216 5301300 30.43 2150976 5745772 252 Average: 6915866 10157891 5778123 35.29 269175 2975846 6611568 37.95 2116971 6793129 1275 08:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:09 lo 20.28 20.28 16.92 16.92 0.00 0.00 0.00 0.00 08:30:09 ens3 9.27 6.59 191.46 1.04 0.00 0.00 0.00 0.00 08:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:09 lo 26.27 26.27 12.04 12.04 0.00 0.00 0.00 0.00 08:40:09 ens3 1.66 1.86 0.31 1.37 0.00 0.00 0.00 0.00 08:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:09 lo 33.21 33.21 14.00 14.00 0.00 0.00 0.00 0.00 08:50:09 ens3 1.24 1.08 0.34 0.28 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:09 lo 5.13 5.13 2.54 2.54 0.00 0.00 0.00 0.00 09:00:09 ens3 0.77 0.49 0.21 0.14 0.00 0.00 0.00 0.00 09:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:09 lo 18.26 18.26 9.36 9.36 0.00 0.00 0.00 0.00 09:10:09 ens3 0.80 0.87 0.16 0.14 0.00 0.00 0.00 0.00 09:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:26 lo 20.57 20.57 8.82 8.82 0.00 0.00 0.00 0.00 09:20:26 ens3 0.91 0.62 0.26 0.19 0.00 0.00 0.00 0.00 09:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:27 lo 26.34 26.34 11.14 11.14 0.00 0.00 0.00 0.00 09:30:27 ens3 0.61 0.48 0.12 0.09 0.00 0.00 0.00 0.00 09:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:39 lo 13.97 13.97 7.88 7.88 0.00 0.00 0.00 0.00 09:40:39 ens3 1.02 0.56 0.35 0.25 0.00 0.00 0.00 0.00 09:40:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:27 lo 16.41 16.41 9.93 9.93 0.00 0.00 0.00 0.00 09:50:27 ens3 1.04 0.74 0.28 0.20 0.00 0.00 0.00 0.00 09:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:28 lo 14.81 14.81 6.42 6.42 0.00 0.00 0.00 0.00 10:00:28 ens3 0.79 0.57 0.23 0.16 0.00 0.00 0.00 0.00 10:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.52 19.52 9.90 9.90 0.00 0.00 0.00 0.00 Average: ens3 1.81 1.38 19.31 0.39 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-153-generic (prd-ubuntu2204-docker-4c-16g-1708) 10/24/25 _x86_64_ (4 CPU) 08:14:19 LINUX RESTART (4 CPU) 08:20:09 CPU %user %nice %system %iowait %steal %idle 08:30:09 all 50.89 0.00 2.14 0.54 0.11 46.31 08:30:09 0 50.93 0.00 2.07 1.01 0.12 45.87 08:30:09 1 52.26 0.00 2.21 0.39 0.11 45.03 08:30:09 2 49.85 0.00 2.10 0.34 0.12 47.59 08:30:09 3 50.52 0.00 2.18 0.42 0.11 46.77 08:40:09 all 26.83 0.00 1.28 0.12 0.12 71.66 08:40:09 0 26.34 0.00 1.34 0.17 0.11 72.03 08:40:09 1 26.46 0.00 1.32 0.09 0.12 72.01 08:40:09 2 27.19 0.00 1.25 0.07 0.11 71.38 08:40:09 3 27.33 0.00 1.20 0.15 0.12 71.20 08:50:09 all 27.13 0.00 1.08 0.06 0.11 71.61 08:50:09 0 27.65 0.00 1.15 0.15 0.11 70.95 08:50:09 1 27.71 0.00 1.05 0.04 0.12 71.08 08:50:09 2 26.62 0.00 1.06 0.04 0.11 72.18 08:50:09 3 26.55 0.00 1.05 0.04 0.11 72.25 09:00:09 all 12.23 0.00 0.50 0.12 0.09 87.06 09:00:09 0 11.98 0.00 0.46 0.21 0.07 87.28 09:00:09 1 12.36 0.00 0.53 0.06 0.09 86.96 09:00:09 2 12.75 0.00 0.51 0.11 0.10 86.53 09:00:09 3 11.83 0.00 0.48 0.12 0.08 87.49 09:10:09 all 26.52 0.00 0.91 0.06 0.09 72.41 09:10:09 0 25.92 0.00 0.74 0.02 0.09 73.23 09:10:09 1 26.79 0.00 1.00 0.03 0.10 72.07 09:10:09 2 26.90 0.00 0.95 0.03 0.10 72.04 09:10:09 3 26.48 0.00 0.98 0.16 0.09 72.29 09:20:26 all 8.22 0.00 0.36 0.26 0.09 91.07 09:20:26 0 8.24 0.00 0.36 0.25 0.09 91.07 09:20:26 1 8.11 0.00 0.33 0.29 0.09 91.18 09:20:26 2 8.09 0.00 0.42 0.25 0.09 91.15 09:20:26 3 8.45 0.00 0.34 0.26 0.08 90.86 09:30:27 all 9.76 0.00 0.42 0.60 0.10 89.12 09:30:27 0 10.00 0.00 0.41 0.20 0.10 89.30 09:30:27 1 9.67 0.00 0.42 0.23 0.10 89.57 09:30:27 2 9.44 0.00 0.47 0.50 0.10 89.48 09:30:27 3 9.93 0.00 0.38 1.48 0.09 88.12 09:40:39 all 8.72 0.00 0.42 0.07 0.09 90.70 09:40:39 0 8.93 0.00 0.47 0.17 0.10 90.33 09:40:39 1 8.52 0.00 0.33 0.07 0.10 90.98 09:40:39 2 8.51 0.00 0.51 0.02 0.10 90.86 09:40:39 3 8.90 0.00 0.36 0.03 0.09 90.62 09:50:27 all 12.98 0.00 0.56 0.09 0.10 86.27 09:50:27 0 13.56 0.00 0.57 0.18 0.09 85.60 09:50:27 1 12.98 0.00 0.59 0.03 0.10 86.31 09:50:27 2 13.00 0.00 0.53 0.08 0.10 86.30 09:50:27 3 12.37 0.00 0.57 0.10 0.10 86.87 10:00:28 all 7.72 0.00 0.31 0.03 0.10 91.84 10:00:28 0 8.15 0.00 0.30 0.01 0.10 91.44 10:00:28 1 7.79 0.00 0.27 0.01 0.09 91.84 10:00:28 2 7.24 0.00 0.37 0.07 0.10 92.22 10:00:28 3 7.70 0.00 0.32 0.02 0.10 91.86 Average: all 19.05 0.00 0.80 0.20 0.10 79.85 Average: 0 19.12 0.00 0.78 0.24 0.10 79.76 Average: 1 19.22 0.00 0.80 0.12 0.10 79.75 Average: 2 18.92 0.00 0.81 0.15 0.10 80.02 Average: 3 18.96 0.00 0.78 0.28 0.10 79.88