---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3028 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: 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 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 25G 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 898 13121 3 18072 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:e0:88:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.78/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82324sec preferred_lft 82324sec inet6 fe80::f816:3eff:fee0:886b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:70:18:fa:2a:c7 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::c470:18ff:fefa:2ac7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3028) 03/19/26 _x86_64_ (8 CPU) 08:47:05 LINUX RESTART (8 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:03 1.58 0.04 1.53 0.01 1.85 19.43 219.86 09:10:00 75.00 5.29 68.18 1.53 372.99 13807.60 8937.60 09:20:01 449.49 0.50 439.05 9.94 7.96 38190.94 46960.14 09:30:08 182.02 0.11 176.25 5.65 12.84 19528.39 34007.54 09:40:01 25.07 0.14 22.71 2.22 5.46 3256.12 15445.87 09:50:01 12.66 0.06 12.15 0.45 2.41 2540.43 1088.77 Average: 124.67 1.02 120.35 3.31 66.88 12919.67 17818.13 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:03 30142412 31769924 617980 1.88 60280 1906124 1520604 4.48 181820 2244348 176 09:10:00 23232964 28803088 3498260 10.65 172764 5564012 3713012 10.95 911748 8171508 76 09:20:01 11000548 25298520 6926184 21.08 511220 13152724 4306604 12.70 3578820 16787344 2904 09:30:08 3226132 22317124 9838884 29.94 589420 17640056 15488524 45.67 4686476 21283348 768 09:40:01 532912 20081332 11931708 36.31 591748 18207356 18335560 54.07 4904856 23693280 11784 09:50:01 305000 19654656 12352836 37.59 576420 18026632 18672552 55.06 4867896 23940320 10764 Average: 11406661 24654107 7527642 22.91 416975 12416151 10339476 30.49 3188603 16020025 4412 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:00:03 ens3 0.42 0.26 0.17 0.28 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 lo 0.33 0.33 0.05 0.05 0.00 0.00 0.00 0.00 09:10:00 ens3 217.43 141.71 1529.67 46.98 0.00 0.00 0.00 0.00 09:10:00 docker0 2.04 2.57 0.12 72.15 0.00 0.00 0.00 0.00 09:20:01 lo 0.42 0.42 0.09 0.09 0.00 0.00 0.00 0.00 09:20:01 ens3 177.08 112.41 1651.28 30.09 0.00 0.00 0.00 0.00 09:20:01 docker0 11.27 23.89 0.69 487.66 0.00 0.00 0.00 0.00 09:30:08 lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 09:30:08 ens3 74.53 55.37 1348.16 13.04 0.00 0.00 0.00 0.00 09:30:08 docker0 8.29 11.46 0.47 211.56 0.00 0.00 0.00 0.00 09:30:08 br-c93bca8a86d0 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:30:08 veth68526df 0.39 0.38 0.04 0.20 0.00 0.00 0.00 0.00 09:30:08 veth1159cf9 41.66 43.59 14.73 17.49 0.00 0.00 0.00 0.00 09:30:08 vethf90f18f 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:30:08 veth584e6f0 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:30:08 vetheecde2f 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 09:30:08 veth4c4c8ef 38.80 36.59 22.84 11.29 0.00 0.00 0.00 0.00 09:30:08 vethbcfb2ad 0.54 0.90 0.67 6.36 0.00 0.00 0.00 0.00 09:30:08 veth39c9894 1.61 1.30 0.22 1.33 0.00 0.00 0.00 0.00 09:40:01 lo 24.37 24.37 83.22 83.22 0.00 0.00 0.00 0.00 09:40:01 ens3 10.33 9.07 31.95 1.71 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 br-c93bca8a86d0 20.58 23.55 14.31 101.06 0.00 0.00 0.00 0.00 09:40:01 veth68526df 12.35 10.64 115.92 34.23 0.00 0.00 0.00 0.01 09:40:01 veth1159cf9 87.23 94.94 59.05 42.34 0.00 0.00 0.00 0.00 09:40:01 vethf90f18f 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 09:40:01 veth584e6f0 18.99 20.94 225.15 116.35 0.00 0.00 0.00 0.02 09:40:01 vetheecde2f 31.69 34.54 14.46 324.46 0.00 0.00 0.00 0.03 09:40:01 veth4c4c8ef 60.87 55.80 67.98 33.51 0.00 0.00 0.00 0.01 09:40:01 veth39c9894 40.51 37.42 16.37 28.06 0.00 0.00 0.00 0.00 09:50:01 lo 35.63 35.63 170.32 170.32 0.00 0.00 0.00 0.00 09:50:01 ens3 0.82 0.64 0.21 0.47 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 br-c93bca8a86d0 26.23 30.28 35.48 136.36 0.00 0.00 0.00 0.00 09:50:01 veth68526df 12.60 10.91 76.84 75.91 0.00 0.00 0.00 0.01 09:50:01 veth1159cf9 59.48 65.57 45.67 22.30 0.00 0.00 0.00 0.00 09:50:01 vethf90f18f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 veth584e6f0 11.92 13.75 76.42 76.37 0.00 0.00 0.00 0.01 09:50:01 vetheecde2f 32.51 36.59 36.30 211.09 0.00 0.00 0.00 0.02 09:50:01 veth4c4c8ef 42.19 39.15 84.22 21.33 0.00 0.00 0.00 0.01 09:50:01 veth39c9894 30.92 27.73 13.92 26.88 0.00 0.00 0.00 0.00 Average: lo 10.19 10.19 42.13 42.13 0.00 0.00 0.00 0.00 Average: ens3 80.06 53.22 761.72 15.41 0.00 0.00 0.00 0.00 Average: docker0 3.62 6.35 0.21 129.05 0.00 0.00 0.00 0.00 Average: br-c93bca8a86d0 7.81 8.97 8.27 39.38 0.00 0.00 0.00 0.00 Average: veth68526df 4.20 3.64 31.91 18.32 0.00 0.00 0.00 0.00 Average: veth1159cf9 31.31 33.92 19.82 13.64 0.00 0.00 0.00 0.00 Average: vethf90f18f 0.02 0.04 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth584e6f0 5.12 5.76 49.83 31.90 0.00 0.00 0.00 0.00 Average: vetheecde2f 10.64 11.81 8.43 88.63 0.00 0.00 0.00 0.01 Average: veth4c4c8ef 23.60 21.89 29.09 10.98 0.00 0.00 0.00 0.00 Average: veth39c9894 12.10 11.01 5.05 9.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3028) 03/19/26 _x86_64_ (8 CPU) 08:47:05 LINUX RESTART (8 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:03 all 0.09 0.00 0.02 0.04 0.01 99.84 09:00:03 0 0.03 0.00 0.02 0.02 0.01 99.91 09:00:03 1 0.57 0.00 0.03 0.27 0.03 99.10 09:00:03 2 0.01 0.00 0.01 0.00 0.00 99.98 09:00:03 3 0.02 0.00 0.02 0.00 0.00 99.95 09:00:03 4 0.01 0.00 0.01 0.00 0.00 99.97 09:00:03 5 0.03 0.00 0.02 0.00 0.01 99.93 09:00:03 6 0.02 0.00 0.01 0.00 0.01 99.96 09:00:03 7 0.02 0.00 0.02 0.00 0.01 99.95 09:10:00 all 12.34 0.00 0.77 0.59 0.04 86.25 09:10:00 0 14.80 0.00 0.65 0.65 0.05 83.85 09:10:00 1 9.51 0.00 0.74 0.63 0.04 89.08 09:10:00 2 17.95 0.00 1.03 0.35 0.05 80.62 09:10:00 3 15.06 0.00 0.94 0.31 0.05 83.65 09:10:00 4 8.55 0.00 0.54 1.20 0.04 89.66 09:10:00 5 12.95 0.00 0.56 0.47 0.04 85.98 09:10:00 6 12.59 0.00 1.16 1.00 0.04 85.20 09:10:00 7 7.26 0.00 0.57 0.14 0.05 91.98 09:20:01 all 18.11 0.00 3.38 2.83 0.09 75.60 09:20:01 0 16.34 0.00 3.56 2.90 0.09 77.11 09:20:01 1 17.65 0.00 3.17 2.23 0.09 76.86 09:20:01 2 17.98 0.00 4.00 2.08 0.10 75.84 09:20:01 3 24.90 0.00 3.64 2.32 0.09 69.06 09:20:01 4 19.53 0.00 3.74 6.42 0.09 70.22 09:20:01 5 14.90 0.00 3.06 2.60 0.08 79.36 09:20:01 6 15.92 0.00 2.82 1.96 0.07 79.23 09:20:01 7 17.64 0.00 3.05 2.12 0.09 77.10 09:30:08 all 12.20 0.02 1.95 0.92 0.09 84.82 09:30:08 0 11.47 0.01 1.93 0.48 0.09 86.02 09:30:08 1 12.63 0.02 2.21 0.54 0.11 84.49 09:30:08 2 13.15 0.03 2.14 1.12 0.10 83.46 09:30:08 3 12.22 0.01 1.89 1.15 0.10 84.64 09:30:08 4 13.49 0.03 1.89 1.22 0.09 83.28 09:30:08 5 11.43 0.04 1.89 0.78 0.08 85.78 09:30:08 6 11.28 0.02 1.79 1.29 0.09 85.53 09:30:08 7 11.90 0.01 1.82 0.80 0.08 85.38 09:40:01 all 10.24 0.01 1.92 0.43 0.11 87.29 09:40:01 0 9.76 0.01 1.88 0.29 0.11 87.95 09:40:01 1 9.88 0.00 1.90 0.18 0.12 87.92 09:40:01 2 10.48 0.00 1.97 1.11 0.12 86.32 09:40:01 3 11.07 0.00 1.98 0.39 0.11 86.46 09:40:01 4 10.75 0.01 2.12 0.14 0.11 86.88 09:40:01 5 9.64 0.01 1.71 0.19 0.11 88.35 09:40:01 6 9.41 0.01 1.80 0.15 0.12 88.51 09:40:01 7 10.88 0.02 2.02 0.99 0.12 85.97 09:50:01 all 7.63 0.00 1.96 0.13 0.12 90.16 09:50:01 0 7.38 0.00 2.08 0.14 0.11 90.29 09:50:01 1 8.87 0.00 2.12 0.08 0.13 88.80 09:50:01 2 7.59 0.00 1.96 0.08 0.12 90.26 09:50:01 3 7.72 0.00 1.87 0.14 0.12 90.15 09:50:01 4 8.28 0.00 2.01 0.32 0.12 89.27 09:50:01 5 6.85 0.00 1.85 0.12 0.11 91.06 09:50:01 6 6.39 0.00 1.61 0.12 0.11 91.77 09:50:01 7 7.99 0.00 2.13 0.05 0.12 89.72 Average: all 10.09 0.00 1.66 0.82 0.08 87.35 Average: 0 9.95 0.00 1.69 0.74 0.08 87.54 Average: 1 9.84 0.00 1.69 0.66 0.09 87.72 Average: 2 11.18 0.01 1.85 0.79 0.08 86.10 Average: 3 11.81 0.00 1.72 0.72 0.08 85.67 Average: 4 10.09 0.01 1.71 1.55 0.08 86.57 Average: 5 9.29 0.01 1.51 0.69 0.07 88.42 Average: 6 9.25 0.00 1.53 0.76 0.07 88.38 Average: 7 9.27 0.01 1.60 0.68 0.08 88.37