---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61676 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 UTC 2026 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: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 13G 66G 16% / 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 694 8662 4 6632 14951 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 mq state UP group default qlen 1000 link/ether fa:16:3e:23:ab:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84204sec preferred_lft 84204sec inet6 fe80::f816:3eff:fe23:abee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:77:59:5f:7a:5f 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61676) 10/03/26 _x86_64_ (4 CPU) 17:26:24 LINUX RESTART (4 CPU) 17:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 23.15 0.38 20.13 2.64 17.13 2312.71 5151.50 17:50:08 32.33 0.01 28.99 3.33 0.38 2606.86 10118.99 18:00:08 4.97 0.02 4.66 0.29 0.63 2866.72 3898.05 Average: 20.20 0.14 17.97 2.09 6.02 2595.69 6404.80 17:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 9528448 13245516 2711620 16.56 138076 3696452 2736228 15.71 686016 5756320 24220 17:50:08 8901108 13051096 2902676 17.73 158764 4078312 2913784 16.73 807356 6233300 28036 18:00:08 7895600 12984672 2966508 18.12 167652 4972368 2959472 16.99 1032308 6964448 232128 Average: 8775052 13093761 2860268 17.47 154831 4249044 2869828 16.47 841893 6318023 94795 17:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 1497.06 1497.06 1422.39 1422.39 0.00 0.00 0.00 0.00 17:40:01 ens3 48.02 37.42 86.71 12.99 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:08 lo 1549.87 1549.87 1478.57 1478.57 0.00 0.00 0.00 0.00 17:50:08 ens3 47.18 33.94 28.63 14.12 0.00 0.00 0.00 0.00 17:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:08 lo 2565.05 2565.05 9290.97 9290.97 0.00 0.00 0.00 0.00 18:00:08 ens3 15.31 12.22 84.02 3.36 0.00 0.00 0.00 0.00 18:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1869.71 1869.71 4056.02 4056.02 0.00 0.00 0.00 0.00 Average: ens3 36.87 27.88 66.29 10.17 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-61676) 10/03/26 _x86_64_ (4 CPU) 17:26:24 LINUX RESTART (4 CPU) 17:30:02 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 67.94 0.00 2.79 0.07 0.03 29.17 17:40:01 0 66.65 0.00 2.87 0.09 0.03 30.37 17:40:01 1 69.03 0.00 2.86 0.08 0.03 28.01 17:40:01 2 69.48 0.00 2.92 0.08 0.03 27.49 17:40:01 3 66.61 0.00 2.49 0.05 0.03 30.82 17:50:08 all 63.74 0.00 3.02 0.11 0.04 33.09 17:50:08 0 61.82 0.00 3.42 0.11 0.05 34.60 17:50:08 1 64.15 0.00 2.94 0.07 0.03 32.80 17:50:08 2 63.35 0.00 2.81 0.11 0.04 33.69 17:50:08 3 65.66 0.00 2.90 0.15 0.04 31.25 18:00:08 all 32.47 0.00 1.43 0.05 0.03 66.02 18:00:08 0 37.68 0.00 1.74 0.02 0.04 60.52 18:00:08 1 35.62 0.00 2.00 0.06 0.04 62.28 18:00:08 2 30.01 0.00 0.97 0.06 0.02 68.93 18:00:08 3 26.56 0.00 1.02 0.07 0.03 72.33 Average: all 54.73 0.00 2.41 0.08 0.03 42.75 Average: 0 55.39 0.00 2.68 0.07 0.04 41.82 Average: 1 56.29 0.00 2.60 0.07 0.03 41.01 Average: 2 54.28 0.00 2.23 0.08 0.03 43.37 Average: 3 52.96 0.00 2.14 0.09 0.03 44.78