---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6465 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): 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: 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 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 24G 131G 16% / 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 865 18103 4 13123 30746 Swap: 1023 1 1022 ---> 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:f2:4a:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.103/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84921sec preferred_lft 84921sec inet6 fe80::f816:3eff:fef2:4a97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:d2:d3:34:e0:7c 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 inet6 fe80::fcd2:d3ff:fe34:e07c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-6465) 10/30/26 _x86_64_ (8 CPU) 09:38:32 LINUX RESTART (8 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:13 616.42 4.83 571.46 40.13 325.62 65718.32 554642.81 10:00:01 69.53 1.68 62.85 4.99 59.73 10110.60 71834.64 Average: 348.57 3.29 322.36 22.92 195.40 38483.17 318176.50 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:13 4431148 22755476 9408324 28.63 568268 16947372 14057412 41.45 4279480 20605204 784 10:00:01 977208 14795332 16284152 49.55 557516 13562028 26738536 78.85 3873328 24341496 3808 Average: 2704178 18775404 12846238 39.09 562892 15254700 20397974 60.15 4076404 22473350 2296 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:13 lo 0.92 0.92 0.08 0.08 0.00 0.00 0.00 0.00 09:50:13 ens3 616.87 408.44 5396.72 99.41 0.00 0.00 0.00 0.00 09:50:13 docker0 35.47 61.43 2.01 855.55 0.00 0.00 0.00 0.00 09:50:13 br-58db0fc82eab 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 09:50:13 veth551d02d 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:50:13 veth8e096a1 5.21 4.95 1.81 1.14 0.00 0.00 0.00 0.00 09:50:13 veth394bbe7 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 09:50:13 vethdb67271 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:50:13 vetha469849 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 09:50:13 veth5304d17 4.84 5.16 1.13 1.81 0.00 0.00 0.00 0.00 10:00:01 lo 69.79 69.79 321.59 321.59 0.00 0.00 0.00 0.00 10:00:01 ens3 16.67 13.67 36.25 3.95 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 br-58db0fc82eab 61.83 67.32 87.17 271.15 0.00 0.00 0.00 0.00 10:00:01 veth551d02d 80.03 86.02 88.01 543.98 0.00 0.00 0.00 0.04 10:00:01 veth8e096a1 141.02 146.87 102.14 78.89 0.00 0.00 0.00 0.01 10:00:01 veth394bbe7 34.18 32.50 276.59 68.96 0.00 0.00 0.00 0.02 10:00:01 vethdb67271 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 10:00:01 vetha469849 20.50 22.31 68.85 68.25 0.00 0.00 0.00 0.01 10:00:01 veth8ffeee3 107.02 99.80 131.35 62.54 0.00 0.00 0.00 0.01 10:00:01 veth7819475 50.90 50.91 29.84 43.91 0.00 0.00 0.00 0.00 Average: lo 34.65 34.65 157.55 157.55 0.00 0.00 0.00 0.00 Average: ens3 322.91 215.09 2771.31 52.65 0.00 0.00 0.00 0.00 Average: docker0 18.10 31.34 1.02 436.52 0.00 0.00 0.00 0.00 Average: br-58db0fc82eab 30.38 33.07 42.70 132.81 0.00 0.00 0.00 0.00 Average: veth551d02d 39.21 42.17 43.11 266.43 0.00 0.00 0.00 0.02 Average: veth8e096a1 71.73 74.46 50.95 39.22 0.00 0.00 0.00 0.00 Average: veth394bbe7 16.76 15.96 135.47 33.78 0.00 0.00 0.00 0.01 Average: vethdb67271 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: vetha469849 10.06 10.97 33.72 33.43 0.00 0.00 0.00 0.00 Average: veth8ffeee3 52.41 48.88 64.33 30.63 0.00 0.00 0.00 0.01 Average: veth7819475 24.93 24.93 14.62 21.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-6465) 10/30/26 _x86_64_ (8 CPU) 09:38:32 LINUX RESTART (8 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:13 all 26.55 0.02 5.66 2.84 0.02 64.93 09:50:13 0 30.10 0.01 5.74 2.26 0.02 61.87 09:50:13 1 27.51 0.00 5.32 2.39 0.02 64.75 09:50:13 2 25.67 0.02 6.12 2.96 0.02 65.20 09:50:13 3 25.82 0.02 5.47 3.02 0.02 65.65 09:50:13 4 24.73 0.02 6.05 3.44 0.02 65.75 09:50:13 5 27.68 0.02 5.72 2.38 0.02 64.19 09:50:13 6 22.98 0.01 5.87 3.27 0.02 67.85 09:50:13 7 27.85 0.01 4.96 2.99 0.02 64.18 10:00:01 all 26.80 0.01 5.13 0.41 0.03 67.63 10:00:01 0 25.69 0.01 6.13 0.42 0.02 67.72 10:00:01 1 26.60 0.01 5.46 0.43 0.03 67.47 10:00:01 2 26.85 0.01 5.28 0.36 0.02 67.47 10:00:01 3 26.68 0.01 5.10 0.31 0.03 67.88 10:00:01 4 26.65 0.00 4.91 0.30 0.03 68.11 10:00:01 5 26.97 0.02 4.71 0.29 0.02 67.99 10:00:01 6 26.79 0.02 4.63 0.48 0.03 68.07 10:00:01 7 28.15 0.01 4.80 0.70 0.03 66.31 Average: all 26.67 0.01 5.40 1.65 0.02 66.25 Average: 0 27.93 0.01 5.94 1.36 0.02 64.74 Average: 1 27.07 0.01 5.39 1.43 0.02 66.08 Average: 2 26.25 0.02 5.71 1.69 0.02 66.31 Average: 3 26.24 0.02 5.28 1.69 0.02 66.74 Average: 4 25.67 0.01 5.49 1.91 0.02 66.90 Average: 5 27.33 0.02 5.22 1.36 0.02 66.04 Average: 6 24.84 0.02 5.26 1.91 0.02 67.96 Average: 7 28.00 0.01 4.88 1.87 0.02 65.22