---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3981 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: 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 26G 130G 17% / 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 1002 11837 4 19252 30621 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:dd:96:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.69/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84408sec preferred_lft 84408sec inet6 fe80::f816:3eff:fedd:9699/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:1e:18:96:de:af 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::981e:18ff:fe96:deaf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3981) 09/21/26 _x86_64_ (8 CPU) 20:21:43 LINUX RESTART (8 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:22 170.12 0.31 162.56 7.25 14.59 38470.78 41021.35 20:50:22 10.37 0.16 9.92 0.28 5.75 462.58 5487.36 Average: 91.50 0.24 87.45 3.82 10.24 19766.57 23534.72 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:22 928420 21156668 10993452 33.45 584988 18753516 17404320 51.32 4789692 23489752 704 20:50:22 245752 20169160 11980016 36.45 567552 18466020 18339220 54.08 4776496 24149020 448 Average: 587086 20662914 11486734 34.95 576270 18609768 17871770 52.70 4783094 23819386 576 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:22 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 20:40:22 ens3 152.33 86.66 2012.74 22.03 0.00 0.00 0.00 0.00 20:40:22 docker0 24.82 45.77 1.37 582.65 0.00 0.00 0.00 0.00 20:40:22 br-9acee9f65018 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 20:40:22 veth0e2a86a 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 20:40:22 veth2892a60 40.04 41.67 14.61 17.54 0.00 0.00 0.00 0.00 20:40:22 vethbdb03d7 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 20:40:22 veth8d15623 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 20:40:22 vethc6f48da 0.37 0.35 0.04 0.19 0.00 0.00 0.00 0.00 20:40:22 veth78ad7ce 36.99 35.17 23.08 11.24 0.00 0.00 0.00 0.00 20:40:22 veth28ad921 0.54 0.93 0.66 6.53 0.00 0.00 0.00 0.00 20:40:22 veth9665a8a 1.63 1.31 0.22 1.34 0.00 0.00 0.00 0.00 20:50:22 lo 8.21 8.21 37.54 37.54 0.00 0.00 0.00 0.00 20:50:22 ens3 8.34 7.45 2.95 3.41 0.00 0.00 0.00 0.00 20:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:22 br-9acee9f65018 4.67 4.35 36.66 0.97 0.00 0.00 0.00 0.00 20:50:22 veth0e2a86a 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 20:50:22 veth2892a60 308.74 333.36 246.88 153.83 0.00 0.00 0.00 0.02 20:50:22 vethbdb03d7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:22 veth8d15623 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:22 vethc6f48da 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 20:50:22 veth78ad7ce 119.73 110.15 98.65 72.96 0.00 0.00 0.00 0.01 20:50:22 veth9665a8a 221.91 206.37 101.38 177.94 0.00 0.00 0.00 0.01 Average: lo 4.31 4.31 18.49 18.49 0.00 0.00 0.00 0.00 Average: ens3 81.47 47.68 1023.70 12.86 0.00 0.00 0.00 0.00 Average: docker0 12.61 23.25 0.69 295.92 0.00 0.00 0.00 0.00 Average: br-9acee9f65018 2.44 2.27 18.05 0.49 0.00 0.00 0.00 0.00 Average: veth0e2a86a 0.13 0.16 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth2892a60 172.27 185.21 128.91 84.61 0.00 0.00 0.00 0.01 Average: vethbdb03d7 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8d15623 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc6f48da 0.39 0.28 0.06 0.27 0.00 0.00 0.00 0.00 Average: veth78ad7ce 77.71 72.07 60.27 41.61 0.00 0.00 0.00 0.00 Average: veth9665a8a 110.03 102.23 50.00 88.24 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3981) 09/21/26 _x86_64_ (8 CPU) 20:21:43 LINUX RESTART (8 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:22 all 13.35 0.03 3.15 1.52 0.01 81.93 20:40:22 0 12.45 0.03 3.06 0.73 0.01 83.72 20:40:22 1 13.78 0.04 3.25 1.58 0.01 81.34 20:40:22 2 13.36 0.01 3.10 0.93 0.01 82.59 20:40:22 3 12.23 0.02 3.18 1.92 0.01 82.63 20:40:22 4 13.46 0.03 3.19 2.01 0.01 81.29 20:40:22 5 12.11 0.03 3.19 2.45 0.01 82.21 20:40:22 6 15.94 0.03 3.24 0.81 0.02 79.97 20:40:22 7 13.52 0.05 3.01 1.77 0.01 81.64 20:50:22 all 7.29 0.00 1.65 0.05 0.01 91.00 20:50:22 0 6.64 0.00 2.18 0.05 0.01 91.12 20:50:22 1 7.06 0.00 1.87 0.04 0.01 91.02 20:50:22 2 8.00 0.00 1.83 0.03 0.01 90.12 20:50:22 3 7.50 0.00 1.74 0.12 0.01 90.62 20:50:22 4 8.89 0.00 1.61 0.05 0.01 89.43 20:50:22 5 5.96 0.00 1.25 0.03 0.01 92.76 20:50:22 6 7.01 0.00 1.32 0.02 0.01 91.63 20:50:22 7 7.31 0.00 1.36 0.03 0.01 91.29 Average: all 10.38 0.02 2.41 0.80 0.01 86.39 Average: 0 9.59 0.01 2.63 0.40 0.01 87.36 Average: 1 10.48 0.02 2.57 0.82 0.01 86.10 Average: 2 10.73 0.01 2.48 0.49 0.01 86.29 Average: 3 9.90 0.01 2.48 1.04 0.01 86.56 Average: 4 11.22 0.02 2.42 1.05 0.01 85.29 Average: 5 9.08 0.01 2.24 1.25 0.01 87.41 Average: 6 11.55 0.02 2.29 0.42 0.01 85.71 Average: 7 10.47 0.02 2.20 0.92 0.01 86.38