---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13976 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 25G 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 837 12787 4 18467 30787 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:69:93:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.55/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83281sec preferred_lft 83281sec inet6 fe80::f816:3eff:fe69:933a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:29:89:89:79:e8 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::f829:89ff:fe89:79e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13976) 08/20/26 _x86_64_ (8 CPU) 13:38:12 LINUX RESTART (8 CPU) 13:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:16 4.33 0.08 3.89 0.35 3.17 285.90 273.34 14:00:01 21.34 1.47 19.82 0.05 94.09 1128.93 194.70 14:10:11 647.59 4.46 624.75 18.39 307.14 71244.19 56090.05 14:20:01 47.79 0.18 45.01 2.60 6.22 2644.09 1103.15 Average: 182.52 1.56 175.55 5.41 103.28 19091.57 14633.33 13:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:16 29992460 31744336 641124 1.95 63480 2026264 1520560 4.48 208816 2349708 16 14:00:01 29255216 31526512 829048 2.52 96316 2487328 1595272 4.70 321868 2936856 214476 14:10:11 3861436 23355668 8802936 26.79 572784 18056692 12598220 37.15 4579824 20793156 116 14:20:01 241340 19411104 12740092 38.77 570468 17718968 18741360 55.27 4771944 24170856 2080 Average: 15837613 26509405 5753300 17.51 325762 10072313 8613853 25.40 2470613 12562644 54172 13:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:16 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 13:50:16 ens3 4.80 2.09 84.13 0.42 0.00 0.00 0.00 0.00 13:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:00:01 ens3 33.65 23.91 402.74 4.62 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:11 lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 14:10:11 ens3 542.00 325.37 4537.28 100.37 0.00 0.00 0.00 0.00 14:10:11 docker0 19.43 38.55 1.20 844.01 0.00 0.00 0.00 0.00 14:10:11 br-1b60aa25ffd5 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 14:10:11 veth483ddb2 0.28 0.37 0.02 0.03 0.00 0.00 0.00 0.00 14:10:11 vethba505c5 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 14:10:11 veth42937d1 0.02 0.08 0.00 0.00 0.00 0.00 0.00 0.00 14:10:11 vethebc0ad5 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 14:10:11 veth217c66f 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 14:10:11 veth6787c0b 0.26 0.23 0.02 0.02 0.00 0.00 0.00 0.00 14:20:01 lo 2.35 2.35 5.72 5.72 0.00 0.00 0.00 0.00 14:20:01 ens3 6.28 4.25 2.17 2.50 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 br-1b60aa25ffd5 1.24 1.16 5.37 0.36 0.00 0.00 0.00 0.00 14:20:01 veth483ddb2 145.32 155.50 97.77 74.65 0.00 0.00 0.00 0.01 14:20:01 vethba505c5 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 14:20:01 veth42937d1 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 vethebc0ad5 0.52 0.38 0.07 0.33 0.00 0.00 0.00 0.00 14:20:01 veth217c66f 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 vethfc23fa1 92.19 85.74 64.04 43.68 0.00 0.00 0.00 0.01 14:20:01 veth9dfeabd 63.57 58.76 29.84 53.80 0.00 0.00 0.00 0.00 Average: lo 0.90 0.90 1.44 1.44 0.00 0.00 0.00 0.00 Average: ens3 148.62 90.04 1272.57 27.34 0.00 0.00 0.00 0.00 Average: docker0 4.93 9.79 0.31 214.35 0.00 0.00 0.00 0.00 Average: br-1b60aa25ffd5 0.36 0.33 1.32 0.09 0.00 0.00 0.00 0.00 Average: veth483ddb2 35.79 38.31 24.04 18.35 0.00 0.00 0.00 0.00 Average: vethba505c5 0.03 0.05 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth42937d1 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethebc0ad5 0.14 0.12 0.02 0.08 0.00 0.00 0.00 0.00 Average: veth217c66f 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethfc23fa1 22.66 21.07 15.74 10.73 0.00 0.00 0.00 0.00 Average: veth9dfeabd 15.62 14.44 7.34 13.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13976) 08/20/26 _x86_64_ (8 CPU) 13:38:12 LINUX RESTART (8 CPU) 13:40:00 CPU %user %nice %system %iowait %steal %idle 13:50:16 all 0.12 0.00 0.07 0.03 0.01 99.78 13:50:16 0 0.10 0.00 0.19 0.00 0.01 99.69 13:50:16 1 0.11 0.00 0.06 0.00 0.02 99.81 13:50:16 2 0.15 0.00 0.05 0.01 0.01 99.78 13:50:16 3 0.08 0.00 0.03 0.01 0.01 99.87 13:50:16 4 0.09 0.00 0.04 0.00 0.01 99.86 13:50:16 5 0.04 0.00 0.03 0.00 0.00 99.92 13:50:16 6 0.15 0.00 0.07 0.17 0.01 99.60 13:50:16 7 0.21 0.00 0.05 0.01 0.00 99.73 14:00:01 all 0.48 0.00 0.09 0.07 0.01 99.35 14:00:01 0 0.62 0.00 0.12 0.05 0.01 99.19 14:00:01 1 0.22 0.00 0.09 0.02 0.02 99.64 14:00:01 2 0.17 0.00 0.05 0.01 0.01 99.77 14:00:01 3 0.42 0.00 0.10 0.01 0.02 99.45 14:00:01 4 0.33 0.00 0.15 0.29 0.01 99.22 14:00:01 5 1.59 0.00 0.12 0.10 0.01 98.18 14:00:01 6 0.34 0.00 0.04 0.05 0.02 99.56 14:00:01 7 0.17 0.00 0.05 0.01 0.01 99.75 14:10:11 all 36.21 0.00 5.23 1.19 0.10 57.27 14:10:11 0 34.90 0.00 5.32 1.03 0.09 58.65 14:10:11 1 37.74 0.00 5.28 1.40 0.09 55.48 14:10:11 2 39.47 0.00 5.77 1.29 0.10 53.38 14:10:11 3 35.60 0.00 5.37 1.27 0.10 57.67 14:10:11 4 38.29 0.00 5.39 1.06 0.10 55.16 14:10:11 5 34.47 0.00 5.29 1.23 0.10 58.91 14:10:11 6 32.42 0.00 4.40 1.09 0.10 61.98 14:10:11 7 36.77 0.00 5.03 1.15 0.10 56.94 14:20:01 all 9.19 0.02 1.17 0.19 0.08 89.35 14:20:01 0 7.88 0.01 1.38 0.18 0.07 90.48 14:20:01 1 8.36 0.03 1.30 0.07 0.08 90.15 14:20:01 2 8.74 0.01 1.20 0.41 0.08 89.57 14:20:01 3 11.02 0.03 1.11 0.09 0.08 87.66 14:20:01 4 9.96 0.02 1.16 0.12 0.09 88.66 14:20:01 5 9.75 0.03 1.10 0.13 0.07 88.92 14:20:01 6 8.76 0.02 1.10 0.07 0.07 89.98 14:20:01 7 9.05 0.00 1.04 0.48 0.08 89.35 Average: all 11.56 0.01 1.65 0.37 0.05 86.36 Average: 0 10.95 0.00 1.77 0.32 0.05 86.91 Average: 1 11.70 0.01 1.70 0.38 0.05 86.17 Average: 2 12.20 0.00 1.78 0.43 0.05 85.54 Average: 3 11.82 0.01 1.66 0.35 0.05 86.11 Average: 4 12.24 0.01 1.69 0.37 0.05 85.65 Average: 5 11.50 0.01 1.64 0.37 0.04 86.44 Average: 6 10.49 0.01 1.41 0.35 0.05 87.69 Average: 7 11.61 0.00 1.55 0.41 0.05 86.37