---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4181 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 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 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 1016 15521 4 15554 30607 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:ad:49:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.123/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83652sec preferred_lft 83652sec inet6 fe80::f816:3eff:fead:49eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:4c:39:7f:32:c5 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::a44c:39ff:fe7f:32c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-4181) 09/22/26 _x86_64_ (8 CPU) 12:48:16 LINUX RESTART (8 CPU) 12:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:20 574.75 2.24 555.00 17.50 335.12 68821.29 71426.94 13:10:08 48.38 0.60 45.04 2.74 11.49 3929.21 1235.37 13:20:00 20.16 0.10 18.61 1.46 2.96 3517.89 5047.06 13:30:00 36.28 0.64 9.42 26.22 21.52 1409.85 452730.56 Average: 174.48 0.91 161.46 12.11 95.56 19974.98 133196.19 12:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:20 3053116 22530864 9628680 29.30 575020 18045140 14243020 42.00 4609784 21603208 1192 13:10:08 239636 18056680 13949048 42.45 567348 16539672 21160920 62.40 4578452 24376888 10712 13:20:00 359776 16888200 15034004 45.75 568708 15347520 22745204 67.07 4588636 24245444 11572 13:30:00 324184 16545104 15377052 46.79 569352 15042724 23038744 67.94 4528828 24312844 6680 Average: 994178 18505212 13497196 41.07 570107 16243764 20296972 59.85 4576425 23634596 7539 12:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:20 lo 0.86 0.86 0.07 0.07 0.00 0.00 0.00 0.00 13:00:20 ens3 518.47 320.50 5145.41 99.17 0.00 0.00 0.00 0.00 13:00:20 docker0 34.17 61.60 2.04 833.78 0.00 0.00 0.00 0.00 13:00:20 br-a56a9690114f 0.19 0.18 0.01 0.01 0.00 0.00 0.00 0.00 13:00:20 veth8690763 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:00:20 vethcca300b 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 13:00:20 veth406c6a8 1.22 1.23 0.92 0.13 0.00 0.00 0.00 0.00 13:00:20 vethbb9e513 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 13:00:20 veth22adbca 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 13:00:20 vethec18551 1.13 1.17 0.13 0.92 0.00 0.00 0.00 0.00 13:10:08 lo 5.48 5.48 15.13 15.13 0.00 0.00 0.00 0.00 13:10:08 ens3 6.66 6.12 2.43 2.21 0.00 0.00 0.00 0.00 13:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:08 br-a56a9690114f 4.52 5.25 2.70 13.17 0.00 0.00 0.00 0.00 13:10:08 veth8690763 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 13:10:08 vethcca300b 2.80 2.53 13.36 4.40 0.00 0.00 0.00 0.00 13:10:08 veth406c6a8 87.55 92.94 46.45 44.51 0.00 0.00 0.00 0.00 13:10:08 vethbb9e513 6.81 7.64 1.87 65.36 0.00 0.00 0.00 0.01 13:10:08 veth22adbca 4.39 4.51 52.54 13.45 0.00 0.00 0.00 0.00 13:10:08 veth11f8702 82.69 77.38 58.48 38.53 0.00 0.00 0.00 0.00 13:10:08 veth666e42a 10.74 9.78 4.37 7.79 0.00 0.00 0.00 0.00 13:20:00 lo 30.48 30.48 131.60 131.60 0.00 0.00 0.00 0.00 13:20:00 ens3 4.21 3.94 7.64 1.02 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 br-a56a9690114f 26.67 28.99 23.64 116.82 0.00 0.00 0.00 0.00 13:20:00 veth8690763 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 13:20:00 vethcca300b 9.64 10.09 36.21 27.91 0.00 0.00 0.00 0.00 13:20:00 veth406c6a8 51.78 56.68 35.19 21.36 0.00 0.00 0.00 0.00 13:20:00 vethbb9e513 35.35 37.98 24.35 254.04 0.00 0.00 0.00 0.02 13:20:00 veth22adbca 16.01 15.21 138.94 36.28 0.00 0.00 0.00 0.01 13:20:00 veth11f8702 29.72 27.05 34.49 14.10 0.00 0.00 0.00 0.00 13:20:00 veth666e42a 32.46 30.31 14.94 23.25 0.00 0.00 0.00 0.00 13:30:00 lo 30.96 30.96 150.76 150.76 0.00 0.00 0.00 0.00 13:30:00 ens3 1.65 1.30 0.84 1.21 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 br-a56a9690114f 27.31 27.19 33.22 119.14 0.00 0.00 0.00 0.00 13:30:00 veth8690763 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 vethcca300b 6.69 7.48 5.49 26.28 0.00 0.00 0.00 0.00 13:30:00 veth406c6a8 53.47 58.87 42.82 20.47 0.00 0.00 0.00 0.00 13:30:00 vethbb9e513 31.04 30.90 33.58 144.17 0.00 0.00 0.00 0.01 13:30:00 veth22adbca 8.08 7.11 26.36 5.08 0.00 0.00 0.00 0.00 13:30:00 veth11f8702 38.71 35.64 34.63 22.17 0.00 0.00 0.00 0.00 13:30:00 veth666e42a 25.26 23.14 12.49 22.75 0.00 0.00 0.00 0.00 Average: lo 16.82 16.82 73.86 73.86 0.00 0.00 0.00 0.00 Average: ens3 137.13 85.65 1332.97 26.74 0.00 0.00 0.00 0.00 Average: docker0 8.83 15.93 0.53 215.56 0.00 0.00 0.00 0.00 Average: br-a56a9690114f 14.56 15.28 14.80 61.82 0.00 0.00 0.00 0.00 Average: veth8690763 0.03 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethcca300b 4.75 5.00 13.57 14.53 0.00 0.00 0.00 0.00 Average: veth406c6a8 47.89 51.77 31.00 21.32 0.00 0.00 0.00 0.00 Average: vethbb9e513 18.15 18.98 14.86 114.69 0.00 0.00 0.00 0.01 Average: veth22adbca 7.05 6.65 53.72 13.51 0.00 0.00 0.00 0.00 Average: veth11f8702 37.25 34.53 31.48 18.46 0.00 0.00 0.00 0.00 Average: veth666e42a 16.95 15.65 7.88 13.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-4181) 09/22/26 _x86_64_ (8 CPU) 12:48:16 LINUX RESTART (8 CPU) 12:50:00 CPU %user %nice %system %iowait %steal %idle 13:00:20 all 36.39 0.01 6.00 1.32 0.03 56.26 13:00:20 0 35.31 0.00 6.48 1.87 0.03 56.31 13:00:20 1 39.01 0.00 5.93 1.18 0.03 53.85 13:00:20 2 36.11 0.02 5.68 1.27 0.03 56.89 13:00:20 3 35.09 0.01 6.27 1.16 0.02 57.45 13:00:20 4 32.98 0.00 5.77 1.41 0.03 59.81 13:00:20 5 36.86 0.00 5.56 0.89 0.03 56.67 13:00:20 6 40.29 0.02 6.47 1.06 0.03 52.13 13:00:20 7 35.45 0.00 5.82 1.71 0.03 56.99 13:10:08 all 9.57 0.02 1.55 0.21 0.01 88.64 13:10:08 0 9.65 0.02 1.88 0.12 0.01 88.32 13:10:08 1 8.55 0.02 1.87 0.19 0.01 89.36 13:10:08 2 10.58 0.04 1.50 0.13 0.01 87.74 13:10:08 3 9.84 0.02 1.48 0.09 0.01 88.56 13:10:08 4 9.06 0.01 1.42 0.28 0.01 89.21 13:10:08 5 9.84 0.01 1.46 0.59 0.01 88.10 13:10:08 6 9.90 0.04 1.40 0.21 0.01 88.43 13:10:08 7 9.14 0.02 1.35 0.09 0.01 89.39 13:20:00 all 9.02 0.01 2.48 0.18 0.01 88.31 13:20:00 0 8.16 0.00 3.12 0.40 0.01 88.30 13:20:00 1 9.11 0.00 2.71 0.15 0.01 88.01 13:20:00 2 9.32 0.02 2.46 0.33 0.01 87.85 13:20:00 3 8.91 0.00 2.25 0.18 0.01 88.65 13:20:00 4 9.05 0.01 2.43 0.10 0.02 88.40 13:20:00 5 9.31 0.00 2.42 0.07 0.02 88.18 13:20:00 6 8.74 0.00 2.25 0.10 0.01 88.89 13:20:00 7 9.56 0.01 2.17 0.08 0.01 88.17 13:30:00 all 7.35 0.00 2.21 0.11 0.01 90.31 13:30:00 0 7.48 0.00 3.06 0.05 0.01 89.39 13:30:00 1 6.94 0.00 2.39 0.21 0.02 90.45 13:30:00 2 7.44 0.00 2.09 0.08 0.02 90.38 13:30:00 3 7.50 0.00 2.14 0.10 0.02 90.25 13:30:00 4 7.43 0.00 2.04 0.07 0.02 90.45 13:30:00 5 7.64 0.00 2.16 0.24 0.01 89.95 13:30:00 6 7.08 0.00 1.80 0.06 0.02 91.04 13:30:00 7 7.29 0.00 1.97 0.10 0.01 90.63 Average: all 15.80 0.01 3.09 0.46 0.02 80.62 Average: 0 15.35 0.01 3.67 0.62 0.02 80.34 Average: 1 16.14 0.01 3.25 0.44 0.02 80.14 Average: 2 16.08 0.02 2.96 0.46 0.02 80.46 Average: 3 15.56 0.01 3.07 0.39 0.02 80.95 Average: 4 14.83 0.01 2.95 0.48 0.02 81.73 Average: 5 16.13 0.00 2.93 0.45 0.02 80.47 Average: 6 16.76 0.02 3.02 0.37 0.02 79.82 Average: 7 15.58 0.01 2.86 0.51 0.02 81.02