---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3297 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 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 999 12174 3 18918 30625 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:ce:99:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.226/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83735sec preferred_lft 83735sec inet6 fe80::f816:3eff:fece:9971/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:81:28:b4:44:3d 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::2c81:28ff:feb4:443d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-3297) 06/28/26 _x86_64_ (8 CPU) 16:28:44 LINUX RESTART (8 CPU) 16:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:02 558.65 4.91 539.46 14.28 711.69 44561.49 59155.25 16:50:00 61.56 0.21 59.14 2.20 1.77 17049.03 20116.83 17:00:15 121.07 0.10 117.06 3.91 11.95 12719.12 6314.04 17:10:15 10.87 0.27 10.21 0.39 9.63 472.17 1764.97 Average: 185.73 1.35 179.23 5.14 179.99 18524.66 21540.33 16:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:02 13808700 26997980 5230180 15.92 518996 12046596 5529808 16.31 3176516 14430104 5696 16:50:00 9587176 26912396 5298568 16.12 541636 16015500 5729448 16.90 4441200 17242808 11240 17:00:15 864196 20750916 11400344 34.69 601000 18382036 17179244 50.66 5017756 23248420 976 17:10:15 292460 19797572 12352952 37.59 584364 18018272 18251852 53.82 4992252 23875940 408 Average: 6138133 23614716 8570511 26.08 561499 16115601 11672588 34.42 4406931 19699318 4580 16:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:02 lo 0.63 0.63 0.07 0.07 0.00 0.00 0.00 0.00 16:40:02 ens3 467.88 287.07 2831.55 84.49 0.00 0.00 0.00 0.00 16:40:02 docker0 31.07 42.46 1.80 379.52 0.00 0.00 0.00 0.00 16:40:02 vethdc4c31e 11.66 14.13 0.81 32.02 0.00 0.00 0.00 0.00 16:50:00 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 16:50:00 ens3 113.96 67.78 677.12 6.18 0.00 0.00 0.00 0.00 16:50:00 docker0 59.01 72.65 3.15 486.49 0.00 0.00 0.00 0.00 16:50:00 veth7e359ff 2.17 4.60 0.15 89.19 0.00 0.00 0.00 0.01 16:50:00 vethe0c3104 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:15 lo 0.54 0.54 0.04 0.04 0.00 0.00 0.00 0.00 17:00:15 ens3 56.58 44.55 918.24 9.72 0.00 0.00 0.00 0.00 17:00:15 docker0 1.06 1.52 0.07 14.19 0.00 0.00 0.00 0.00 17:00:15 br-10e4e0a23e35 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 17:00:15 veth611e9d7 0.46 0.43 0.05 0.25 0.00 0.00 0.00 0.00 17:00:15 veth5420407 61.85 65.51 27.47 33.13 0.00 0.00 0.00 0.00 17:00:15 veth11ff108 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 17:00:15 vethed4e1f6 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 17:00:15 veth8539e08 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 17:00:15 vethaabf2ab 61.47 57.25 44.89 24.25 0.00 0.00 0.00 0.00 17:00:15 veth22acddd 0.91 1.66 1.03 12.71 0.00 0.00 0.00 0.00 17:00:15 veth292a789 1.99 1.57 0.27 1.58 0.00 0.00 0.00 0.00 17:10:15 lo 9.95 9.95 53.74 53.74 0.00 0.00 0.00 0.00 17:10:15 ens3 19.01 11.97 5.95 5.95 0.00 0.00 0.00 0.00 17:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:15 br-10e4e0a23e35 5.72 5.36 52.74 1.15 0.00 0.00 0.00 0.00 17:10:15 veth611e9d7 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 17:10:15 veth5420407 324.73 350.20 266.59 155.17 0.00 0.00 0.00 0.02 17:10:15 veth11ff108 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 17:10:15 vethed4e1f6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:15 veth8539e08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:15 vethaabf2ab 111.37 102.79 97.95 70.63 0.00 0.00 0.00 0.01 17:10:15 veth292a789 247.35 230.34 113.47 200.04 0.00 0.00 0.00 0.02 Average: lo 2.82 2.82 13.47 13.47 0.00 0.00 0.00 0.00 Average: ens3 162.08 101.51 1098.09 26.18 0.00 0.00 0.00 0.00 Average: docker0 22.57 28.88 1.24 217.66 0.00 0.00 0.00 0.00 Average: br-10e4e0a23e35 1.51 1.41 13.19 0.29 0.00 0.00 0.00 0.00 Average: veth611e9d7 0.22 0.16 0.03 0.15 0.00 0.00 0.00 0.00 Average: veth5420407 97.03 104.34 73.69 47.28 0.00 0.00 0.00 0.01 Average: veth11ff108 0.06 0.08 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethed4e1f6 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8539e08 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethaabf2ab 43.60 40.37 35.99 23.87 0.00 0.00 0.00 0.00 Average: veth292a789 62.35 57.99 28.44 50.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-3297) 06/28/26 _x86_64_ (8 CPU) 16:28:44 LINUX RESTART (8 CPU) 16:30:15 CPU %user %nice %system %iowait %steal %idle 16:40:02 all 31.13 0.00 3.91 2.64 0.09 62.22 16:40:02 0 32.07 0.00 3.61 2.71 0.09 61.52 16:40:02 1 30.26 0.00 3.70 2.28 0.10 63.66 16:40:02 2 32.41 0.00 4.89 2.97 0.10 59.62 16:40:02 3 29.87 0.00 3.63 3.01 0.09 63.41 16:40:02 4 30.76 0.00 3.85 2.24 0.09 63.06 16:40:02 5 29.83 0.00 3.76 3.51 0.10 62.79 16:40:02 6 27.40 0.00 3.74 2.16 0.09 66.61 16:40:02 7 36.46 0.00 4.09 2.26 0.10 57.09 16:50:00 all 2.55 0.00 0.88 0.44 0.03 96.10 16:50:00 0 1.79 0.00 0.58 0.43 0.02 97.18 16:50:00 1 2.82 0.00 0.83 0.43 0.04 95.88 16:50:00 2 2.40 0.00 0.86 0.38 0.02 96.34 16:50:00 3 4.72 0.00 0.92 0.46 0.03 93.88 16:50:00 4 1.79 0.00 0.79 0.42 0.03 96.98 16:50:00 5 2.47 0.00 1.34 0.59 0.04 95.55 16:50:00 6 1.88 0.00 0.77 0.33 0.04 96.99 16:50:00 7 2.52 0.00 0.96 0.46 0.04 96.02 17:00:15 all 9.51 0.02 1.40 0.36 0.06 88.66 17:00:15 0 9.69 0.03 1.55 0.20 0.06 88.46 17:00:15 1 9.07 0.02 1.26 0.20 0.06 89.38 17:00:15 2 9.69 0.02 1.33 0.24 0.07 88.66 17:00:15 3 9.66 0.02 1.39 0.89 0.06 87.98 17:00:15 4 9.96 0.02 1.34 0.17 0.06 88.45 17:00:15 5 8.45 0.01 1.43 0.16 0.06 89.89 17:00:15 6 10.73 0.02 1.23 0.33 0.06 87.62 17:00:15 7 8.81 0.02 1.66 0.66 0.06 88.80 17:10:15 all 6.86 0.00 1.21 0.04 0.07 91.82 17:10:15 0 5.79 0.00 1.11 0.02 0.07 93.01 17:10:15 1 6.79 0.00 1.39 0.02 0.08 91.72 17:10:15 2 7.56 0.00 1.32 0.03 0.07 91.03 17:10:15 3 8.07 0.00 1.21 0.02 0.07 90.63 17:10:15 4 7.11 0.00 1.25 0.02 0.07 91.55 17:10:15 5 6.24 0.00 1.09 0.05 0.07 92.56 17:10:15 6 7.30 0.00 1.15 0.08 0.07 91.41 17:10:15 7 6.03 0.00 1.16 0.07 0.07 92.67 Average: all 12.40 0.01 1.84 0.86 0.06 84.84 Average: 0 12.21 0.01 1.70 0.83 0.06 85.19 Average: 1 12.14 0.01 1.79 0.72 0.07 85.28 Average: 2 12.89 0.01 2.08 0.89 0.06 84.07 Average: 3 12.96 0.01 1.77 1.08 0.06 84.11 Average: 4 12.30 0.01 1.79 0.70 0.06 85.14 Average: 5 11.63 0.00 1.89 1.06 0.07 85.35 Average: 6 11.74 0.01 1.71 0.71 0.06 85.77 Average: 7 13.30 0.00 1.95 0.85 0.07 83.82