---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3103 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 873 15181 3 16037 30750 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:3c:2d:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.105/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83384sec preferred_lft 83384sec inet6 fe80::f816:3eff:fe3c:2d0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:86:97:28:40:ad 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::8086:97ff:fe28:40ad/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3103) 03/19/26 _x86_64_ (8 CPU) 13:05:29 LINUX RESTART (8 CPU) 13:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:05 468.99 0.67 457.69 10.63 32.39 50672.94 39549.64 13:30:08 94.46 1.25 87.95 5.26 35.75 11548.45 22843.96 13:40:01 25.05 0.31 22.56 2.19 6.49 4412.47 8206.45 13:50:14 10.55 0.08 10.02 0.45 2.13 2190.88 1229.83 Average: 149.79 0.57 144.59 4.63 19.18 17206.27 17934.44 13:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:05 5988048 25139572 7020612 21.36 579868 17714236 10803904 31.86 3711156 19535504 154472 13:30:08 791460 19264760 12818340 39.01 577064 17074492 18930920 55.83 4518500 23845692 12432 13:40:01 421540 17884328 14122516 42.97 576840 16153400 20511116 60.48 4463496 24264196 11552 13:50:14 366092 17589380 14416576 43.87 576452 15923756 20854420 61.50 4419088 24382828 19864 Average: 1891785 19969510 12094511 36.80 577556 16716471 17775090 52.42 4278060 23007055 49580 13:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:05 lo 0.70 0.70 0.14 0.14 0.00 0.00 0.00 0.00 13:20:05 ens3 431.31 270.60 3625.79 88.08 0.00 0.00 0.00 0.00 13:20:05 docker0 31.93 57.47 1.84 635.83 0.00 0.00 0.00 0.00 13:20:05 br-34eee8bbfe6d 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 13:20:05 veth04b174f 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:20:05 veth7a0dcce 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 13:20:05 veth1506c39 0.13 0.18 0.01 0.01 0.00 0.00 0.00 0.00 13:20:05 veth86616d9 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:20:05 veth7a2e185 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 13:20:05 veth248c27e 0.08 0.07 0.01 0.01 0.00 0.00 0.00 0.00 13:30:08 lo 2.19 2.19 3.86 3.86 0.00 0.00 0.00 0.00 13:30:08 ens3 47.75 30.88 259.21 10.89 0.00 0.00 0.00 0.00 13:30:08 docker0 8.20 15.35 0.45 218.47 0.00 0.00 0.00 0.00 13:30:08 br-34eee8bbfe6d 1.78 2.04 0.85 6.46 0.00 0.00 0.00 0.00 13:30:08 veth04b174f 1.90 2.04 19.78 7.90 0.00 0.00 0.00 0.00 13:30:08 veth7a0dcce 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 13:30:08 veth1506c39 74.10 78.90 36.82 37.77 0.00 0.00 0.00 0.00 13:30:08 veth86616d9 1.52 1.30 7.89 1.65 0.00 0.00 0.00 0.00 13:30:08 veth7a2e185 2.77 3.10 0.57 26.10 0.00 0.00 0.00 0.00 13:30:08 veth03dfaa5 75.29 70.08 51.87 33.73 0.00 0.00 0.00 0.00 13:30:08 veth03638db 2.31 1.81 0.31 1.74 0.00 0.00 0.00 0.00 13:40:01 lo 29.04 29.04 110.44 110.44 0.00 0.00 0.00 0.00 13:40:01 ens3 11.48 9.29 28.93 3.12 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 br-34eee8bbfe6d 22.54 25.58 20.89 117.98 0.00 0.00 0.00 0.00 13:40:01 veth04b174f 20.83 22.88 225.17 128.34 0.00 0.00 0.00 0.02 13:40:01 veth7a0dcce 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 13:40:01 veth1506c39 70.62 77.20 52.82 28.17 0.00 0.00 0.00 0.00 13:40:01 veth86616d9 14.48 12.73 128.05 52.74 0.00 0.00 0.00 0.01 13:40:01 veth7a2e185 34.37 37.44 21.21 341.13 0.00 0.00 0.00 0.03 13:40:01 veth03dfaa5 33.52 30.56 60.55 14.39 0.00 0.00 0.00 0.00 13:40:01 veth03638db 50.34 46.42 21.02 40.81 0.00 0.00 0.00 0.00 13:50:14 lo 34.21 34.21 163.17 163.17 0.00 0.00 0.00 0.00 13:50:14 ens3 0.69 0.58 0.19 0.45 0.00 0.00 0.00 0.00 13:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:14 br-34eee8bbfe6d 28.49 29.23 34.38 130.42 0.00 0.00 0.00 0.00 13:50:14 veth04b174f 10.71 11.72 62.17 62.09 0.00 0.00 0.00 0.01 13:50:14 veth7a0dcce 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:14 veth1506c39 60.66 66.78 48.55 22.01 0.00 0.00 0.00 0.00 13:50:14 veth86616d9 10.72 9.90 62.54 61.77 0.00 0.00 0.00 0.01 13:50:14 veth7a2e185 34.04 34.72 35.15 191.01 0.00 0.00 0.00 0.02 13:50:14 veth03dfaa5 42.49 39.54 70.18 21.39 0.00 0.00 0.00 0.01 13:50:14 veth03638db 31.09 27.79 13.59 29.56 0.00 0.00 0.00 0.00 Average: lo 16.55 16.55 69.60 69.60 0.00 0.00 0.00 0.00 Average: ens3 122.85 77.85 979.14 25.64 0.00 0.00 0.00 0.00 Average: docker0 10.04 18.22 0.57 213.70 0.00 0.00 0.00 0.00 Average: br-34eee8bbfe6d 13.27 14.27 14.08 63.75 0.00 0.00 0.00 0.00 Average: veth04b174f 8.32 9.13 76.05 49.28 0.00 0.00 0.00 0.01 Average: veth7a0dcce 0.03 0.05 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth1506c39 51.32 55.71 34.52 21.96 0.00 0.00 0.00 0.00 Average: veth86616d9 6.67 5.99 49.32 29.07 0.00 0.00 0.00 0.00 Average: veth7a2e185 17.79 18.81 14.28 138.86 0.00 0.00 0.00 0.01 Average: veth03dfaa5 37.86 35.08 45.68 17.40 0.00 0.00 0.00 0.00 Average: veth03638db 20.84 18.92 8.69 17.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3103) 03/19/26 _x86_64_ (8 CPU) 13:05:29 LINUX RESTART (8 CPU) 13:10:01 CPU %user %nice %system %iowait %steal %idle 13:20:05 all 27.81 0.00 3.90 7.92 0.11 60.25 13:20:05 0 26.15 0.00 3.92 10.11 0.12 59.70 13:20:05 1 24.25 0.00 4.07 11.09 0.11 60.48 13:20:05 2 29.21 0.00 4.43 7.65 0.11 58.59 13:20:05 3 29.21 0.00 4.16 6.52 0.11 60.00 13:20:05 4 30.18 0.00 4.30 8.06 0.12 57.34 13:20:05 5 28.14 0.00 3.67 6.50 0.11 61.58 13:20:05 6 25.79 0.01 3.32 4.33 0.11 66.45 13:20:05 7 29.55 0.00 3.36 9.12 0.12 57.85 13:30:08 all 10.36 0.02 1.46 3.18 0.07 84.90 13:30:08 0 9.94 0.02 1.47 1.47 0.08 87.02 13:30:08 1 13.12 0.01 1.58 10.68 0.08 74.53 13:30:08 2 8.55 0.02 1.23 1.79 0.08 88.33 13:30:08 3 12.64 0.01 1.74 1.80 0.08 83.73 13:30:08 4 9.05 0.04 1.46 2.62 0.07 86.75 13:30:08 5 9.05 0.02 1.35 2.00 0.06 87.52 13:30:08 6 10.49 0.02 1.55 3.20 0.07 84.68 13:30:08 7 10.05 0.02 1.32 1.93 0.07 86.61 13:40:01 all 10.20 0.01 2.12 1.70 0.11 85.86 13:40:01 0 8.36 0.01 2.01 0.93 0.11 88.58 13:40:01 1 11.62 0.01 2.45 4.67 0.12 81.13 13:40:01 2 11.26 0.00 2.19 1.25 0.12 85.19 13:40:01 3 10.86 0.00 2.16 0.76 0.12 86.10 13:40:01 4 9.28 0.01 1.85 1.25 0.10 87.51 13:40:01 5 10.35 0.00 2.06 1.96 0.10 85.53 13:40:01 6 10.02 0.00 2.04 1.79 0.10 86.05 13:40:01 7 9.86 0.01 2.21 1.03 0.11 86.78 13:50:14 all 7.84 0.00 1.93 0.33 0.10 89.80 13:50:14 0 6.71 0.00 1.89 0.30 0.09 91.01 13:50:14 1 9.03 0.00 2.33 0.97 0.11 87.56 13:50:14 2 8.08 0.00 2.05 0.15 0.10 89.61 13:50:14 3 7.17 0.00 1.75 0.18 0.10 90.80 13:50:14 4 7.29 0.00 1.62 0.26 0.10 90.73 13:50:14 5 9.09 0.00 2.20 0.22 0.10 88.39 13:50:14 6 7.68 0.00 1.78 0.38 0.09 90.07 13:50:14 7 7.68 0.00 1.80 0.19 0.09 90.24 Average: all 14.04 0.01 2.35 3.28 0.10 80.22 Average: 0 12.77 0.01 2.32 3.19 0.10 81.61 Average: 1 14.49 0.01 2.61 6.84 0.11 75.94 Average: 2 14.26 0.01 2.47 2.70 0.10 80.45 Average: 3 14.95 0.00 2.45 2.32 0.10 80.18 Average: 4 13.93 0.01 2.31 3.04 0.10 80.61 Average: 5 14.16 0.01 2.32 2.66 0.09 80.76 Average: 6 13.49 0.01 2.17 2.42 0.09 81.83 Average: 7 14.26 0.01 2.17 3.06 0.10 80.40