---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2579 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 898 19780 4 11413 30725 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:ba:4b:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.91/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84758sec preferred_lft 84758sec inet6 fe80::f816:3eff:feba:4b30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:bf:6e:28:d5:b8 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 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2579) 09/17/26 _x86_64_ (8 CPU) 14:36:24 LINUX RESTART (8 CPU) 14:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 50.03 0.77 44.93 4.33 24.24 6932.00 7433.75 15:00:16 11.00 0.22 9.54 1.24 2.94 1562.34 712.39 Average: 30.05 0.49 26.81 2.75 13.33 4182.65 3992.30 14:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 15273240 24178080 8066384 24.55 465000 7984496 10096904 29.77 1466132 14900288 1864 15:00:16 15832572 25170116 7071944 21.52 473872 8381160 9443804 27.85 1551484 14235400 9428 Average: 15552906 24674098 7569164 23.03 469436 8182828 9770354 28.81 1508808 14567844 5646 14:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 3.76 3.76 1.32 1.32 0.00 0.00 0.00 0.00 14:50:01 ens3 224.47 159.29 495.35 85.72 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 4.08 4.08 0.68 0.68 0.00 0.00 0.00 0.00 15:00:16 ens3 74.72 54.06 99.55 33.55 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.99 0.99 0.00 0.00 0.00 0.00 Average: ens3 147.80 105.41 292.69 59.01 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 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2579) 09/17/26 _x86_64_ (8 CPU) 14:36:24 LINUX RESTART (8 CPU) 14:40:16 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 81.64 0.00 3.08 0.14 0.02 15.11 14:50:01 0 83.27 0.00 3.12 0.13 0.02 13.45 14:50:01 1 81.47 0.00 2.92 0.19 0.02 15.40 14:50:01 2 80.35 0.00 2.90 0.15 0.02 16.58 14:50:01 3 84.19 0.00 2.90 0.17 0.03 12.72 14:50:01 4 80.78 0.00 3.28 0.11 0.02 15.81 14:50:01 5 80.49 0.00 2.85 0.09 0.03 16.55 14:50:01 6 81.51 0.00 3.34 0.10 0.02 15.03 14:50:01 7 81.06 0.00 3.36 0.18 0.02 15.37 15:00:16 all 96.78 0.00 3.15 0.00 0.02 0.06 15:00:16 0 96.96 0.00 2.97 0.00 0.02 0.05 15:00:16 1 96.77 0.00 3.14 0.00 0.02 0.07 15:00:16 2 96.76 0.00 3.15 0.00 0.02 0.06 15:00:16 3 96.58 0.00 3.35 0.00 0.02 0.05 15:00:16 4 96.81 0.00 3.11 0.00 0.02 0.06 15:00:16 5 96.78 0.00 3.14 0.00 0.02 0.06 15:00:16 6 96.81 0.00 3.10 0.00 0.02 0.07 15:00:16 7 96.72 0.00 3.21 0.00 0.03 0.04 Average: all 89.39 0.00 3.12 0.07 0.02 7.40 Average: 0 90.29 0.00 3.04 0.06 0.02 6.59 Average: 1 89.31 0.00 3.03 0.09 0.02 7.54 Average: 2 88.76 0.00 3.03 0.07 0.02 8.12 Average: 3 90.54 0.00 3.13 0.08 0.02 6.23 Average: 4 89.00 0.00 3.19 0.05 0.02 7.74 Average: 5 88.83 0.00 3.00 0.04 0.03 8.10 Average: 6 89.35 0.00 3.21 0.05 0.02 7.36 Average: 7 89.08 0.00 3.28 0.09 0.03 7.52