---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2002 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 858 15585 4 15648 30765 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:2c:fa:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.197/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83760sec preferred_lft 83760sec inet6 fe80::f816:3eff:fe2c:fa08/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:71:59:a2:79:5d 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::8071:59ff:fea2:795d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2002) 10/15/26 _x86_64_ (8 CPU) 15:31:23 LINUX RESTART (8 CPU) 15:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:07 176.48 0.34 168.08 8.07 6.15 36004.19 104269.70 16:00:01 25.70 0.39 23.41 1.90 11.37 5097.92 21810.51 16:10:07 9.46 0.14 8.33 0.99 1.37 1537.43 32963.73 Average: 70.78 0.29 66.83 3.66 6.26 14259.97 53188.92 15:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:07 264840 20558868 11590064 35.27 583756 18801360 17770532 52.40 4809612 24097192 448 16:00:01 909196 17118552 14519452 44.18 571612 15285644 23126276 68.20 4450848 23797832 11124 16:10:07 2329816 18466204 13163844 40.06 572152 15230176 19919456 58.74 4450580 22400568 12648 Average: 1167951 18714541 13091120 39.84 575840 16439060 20272088 59.78 4570347 23431864 8073 15:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:07 lo 0.49 0.49 0.03 0.03 0.00 0.00 0.00 0.00 15:50:07 ens3 127.63 70.76 2141.12 12.31 0.00 0.00 0.00 0.00 15:50:07 docker0 19.03 38.07 1.08 598.13 0.00 0.00 0.00 0.00 15:50:07 br-b90a1b60cfca 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 15:50:07 veth7704756 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:50:07 vethedb35c2 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 15:50:07 vethc3e1078 42.10 44.14 17.22 21.90 0.00 0.00 0.00 0.00 15:50:07 veth13fa2cf 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 15:50:07 veth8a7f29e 0.40 0.37 0.05 0.21 0.00 0.00 0.00 0.00 15:50:07 veth047c724 39.50 37.05 29.87 13.77 0.00 0.00 0.00 0.00 15:50:07 veth1648da2 0.66 1.18 0.77 8.98 0.00 0.00 0.00 0.00 15:50:07 veth32970ae 1.72 1.39 0.24 1.45 0.00 0.00 0.00 0.00 16:00:01 lo 23.16 23.16 94.07 94.07 0.00 0.00 0.00 0.00 16:00:01 ens3 3.89 3.36 1.53 1.28 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 br-b90a1b60cfca 14.72 18.26 22.21 72.84 0.00 0.00 0.00 0.00 16:00:01 veth7704756 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 16:00:01 vethedb35c2 24.40 28.10 21.76 250.79 0.00 0.00 0.00 0.02 16:00:01 vethc3e1078 74.60 78.91 51.16 38.98 0.00 0.00 0.00 0.00 16:00:01 veth13fa2cf 17.12 17.10 179.65 47.73 0.00 0.00 0.00 0.01 16:00:01 veth8a7f29e 9.84 9.64 47.44 19.41 0.00 0.00 0.00 0.00 16:00:01 veth047c724 52.31 48.17 46.20 31.00 0.00 0.00 0.00 0.00 16:00:01 veth32970ae 32.48 32.17 17.95 22.74 0.00 0.00 0.00 0.00 16:10:07 lo 36.06 36.06 186.23 186.23 0.00 0.00 0.00 0.00 16:10:07 ens3 0.86 0.52 0.30 0.74 0.00 0.00 0.00 0.00 16:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:07 br-b90a1b60cfca 20.81 22.42 46.16 140.74 0.00 0.00 0.00 0.00 16:10:07 veth7704756 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:07 vethedb35c2 24.69 26.31 46.52 163.95 0.00 0.00 0.00 0.01 16:10:07 vethc3e1078 48.06 51.94 38.08 20.26 0.00 0.00 0.00 0.00 16:10:07 veth13fa2cf 8.51 7.45 24.61 5.11 0.00 0.00 0.00 0.00 16:10:07 veth8a7f29e 6.86 7.81 5.52 24.41 0.00 0.00 0.00 0.00 16:10:07 veth047c724 38.02 34.94 33.24 23.79 0.00 0.00 0.00 0.00 16:10:07 veth32970ae 19.12 18.41 11.69 16.44 0.00 0.00 0.00 0.00 Average: lo 19.89 19.89 93.50 93.50 0.00 0.00 0.00 0.00 Average: ens3 44.34 24.99 718.14 4.80 0.00 0.00 0.00 0.00 Average: docker0 6.38 12.76 0.36 200.45 0.00 0.00 0.00 0.00 Average: br-b90a1b60cfca 11.93 13.62 22.81 71.23 0.00 0.00 0.00 0.00 Average: veth7704756 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethedb35c2 16.33 18.12 22.78 137.59 0.00 0.00 0.00 0.01 Average: vethc3e1078 54.80 58.20 35.40 26.97 0.00 0.00 0.00 0.00 Average: veth13fa2cf 8.50 8.17 67.39 17.43 0.00 0.00 0.00 0.01 Average: veth8a7f29e 5.67 5.92 17.48 14.65 0.00 0.00 0.00 0.00 Average: veth047c724 43.22 40.00 36.38 22.81 0.00 0.00 0.00 0.00 Average: veth32970ae 17.69 17.23 9.91 13.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2002) 10/15/26 _x86_64_ (8 CPU) 15:31:23 LINUX RESTART (8 CPU) 15:40:02 CPU %user %nice %system %iowait %steal %idle 15:50:07 all 11.26 0.02 2.87 1.06 0.03 84.75 15:50:07 0 10.38 0.02 3.22 1.33 0.03 85.02 15:50:07 1 11.91 0.03 2.88 1.06 0.03 84.08 15:50:07 2 11.82 0.01 2.79 1.28 0.03 84.05 15:50:07 3 11.26 0.02 2.75 1.21 0.03 84.72 15:50:07 4 10.93 0.02 2.68 0.71 0.03 85.63 15:50:07 5 10.18 0.03 2.92 0.92 0.03 85.92 15:50:07 6 12.14 0.03 2.86 0.98 0.03 83.96 15:50:07 7 11.49 0.02 2.84 1.03 0.03 84.59 16:00:01 all 11.48 0.01 2.43 0.12 0.07 85.89 16:00:01 0 10.87 0.01 3.40 0.06 0.07 85.60 16:00:01 1 11.46 0.01 2.83 0.08 0.07 85.54 16:00:01 2 11.61 0.00 2.37 0.25 0.06 85.71 16:00:01 3 11.41 0.01 2.23 0.10 0.06 86.19 16:00:01 4 11.82 0.01 2.19 0.12 0.06 85.79 16:00:01 5 11.09 0.00 2.18 0.08 0.07 86.58 16:00:01 6 11.56 0.02 2.05 0.24 0.07 86.06 16:00:01 7 12.02 0.00 2.18 0.06 0.07 85.67 16:10:07 all 9.06 0.00 1.99 0.05 0.07 88.83 16:10:07 0 8.37 0.00 2.86 0.05 0.07 88.65 16:10:07 1 9.14 0.00 2.20 0.04 0.07 88.55 16:10:07 2 8.82 0.00 2.04 0.04 0.07 89.02 16:10:07 3 8.95 0.00 1.75 0.02 0.07 89.21 16:10:07 4 9.24 0.00 1.78 0.07 0.07 88.84 16:10:07 5 9.62 0.00 1.76 0.03 0.07 88.53 16:10:07 6 9.22 0.00 1.92 0.03 0.07 88.76 16:10:07 7 9.08 0.00 1.63 0.10 0.07 89.12 Average: all 10.59 0.01 2.43 0.41 0.06 86.50 Average: 0 9.86 0.01 3.15 0.48 0.06 86.43 Average: 1 10.83 0.02 2.63 0.40 0.06 86.06 Average: 2 10.75 0.01 2.40 0.53 0.06 86.26 Average: 3 10.53 0.01 2.24 0.45 0.06 86.71 Average: 4 10.66 0.01 2.22 0.30 0.05 86.76 Average: 5 10.29 0.01 2.29 0.34 0.06 87.01 Average: 6 10.97 0.02 2.28 0.42 0.06 86.26 Average: 7 10.85 0.01 2.22 0.40 0.06 86.47