---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2743 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: 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 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 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 1011 14504 4 16576 30612 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:24:08:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.207/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83553sec preferred_lft 83553sec inet6 fe80::f816:3eff:fe24:83a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:44:5e:c5:77:72 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::c444:5eff:fec5:7772/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2743) 09/18/26 _x86_64_ (8 CPU) 08:33:43 LINUX RESTART (8 CPU) 08:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 230.44 0.45 219.85 10.14 21.20 53235.19 200012.57 09:00:20 29.88 0.37 27.55 1.97 25.45 4189.17 19507.33 09:10:02 10.48 0.60 9.43 0.45 20.60 1500.47 4568.14 09:20:01 22.16 0.72 17.36 4.07 11.72 2052.13 224481.48 Average: 73.47 0.53 68.76 4.17 19.79 15284.96 112214.49 08:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 700308 20959668 11191552 34.06 585176 18783752 17713232 52.23 4869424 23641740 564 09:00:20 292540 18149776 13747348 41.83 569472 16671724 21755000 64.15 4592524 24261608 11480 09:10:02 357312 17988884 13931420 42.39 570036 16426528 21923740 64.65 4511448 24280416 12880 09:20:01 9403596 26232868 5953748 18.12 572200 15395688 8070244 23.80 4331792 17407256 248 Average: 2688439 20832799 11206017 34.10 574221 16819423 17365554 51.21 4576297 22397755 6293 08:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 08:50:01 ens3 305.22 176.92 2534.44 80.28 0.00 0.00 0.00 0.00 08:50:01 docker0 20.29 39.75 1.15 697.96 0.00 0.00 0.00 0.00 08:50:01 br-9a1a3734d5fb 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:50:01 veth73359e2 0.33 0.36 0.03 0.15 0.00 0.00 0.00 0.00 08:50:01 veth079bfc7 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:50:01 veth20111d3 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:50:01 veth70b13f5 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:50:01 vethb0e450a 24.00 24.37 7.28 5.97 0.00 0.00 0.00 0.00 08:50:01 veth7690550 19.14 18.71 6.02 3.72 0.00 0.00 0.00 0.00 08:50:01 veth8b0d6b6 0.19 0.27 0.32 1.11 0.00 0.00 0.00 0.00 08:50:01 veth4cbc4a5 1.18 0.98 0.16 1.05 0.00 0.00 0.00 0.00 09:00:20 lo 16.96 16.96 56.85 56.85 0.00 0.00 0.00 0.00 09:00:20 ens3 6.54 6.21 9.21 2.09 0.00 0.00 0.00 0.00 09:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:20 br-9a1a3734d5fb 14.00 16.69 10.42 54.76 0.00 0.00 0.00 0.00 09:00:20 veth73359e2 8.55 8.20 44.39 15.66 0.00 0.00 0.00 0.00 09:00:20 veth079bfc7 15.48 15.55 167.10 44.72 0.00 0.00 0.00 0.01 09:00:20 veth20111d3 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 09:00:20 veth70b13f5 22.93 25.69 10.19 220.41 0.00 0.00 0.00 0.02 09:00:20 vethb0e450a 107.91 117.12 71.90 55.55 0.00 0.00 0.00 0.01 09:00:20 veth7690550 76.54 70.49 64.43 38.88 0.00 0.00 0.00 0.01 09:00:20 veth4cbc4a5 46.58 42.98 19.85 35.75 0.00 0.00 0.00 0.00 09:10:02 lo 31.78 31.78 155.61 155.61 0.00 0.00 0.00 0.00 09:10:02 ens3 2.74 1.56 1.43 1.39 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 br-9a1a3734d5fb 27.88 33.53 30.48 127.17 0.00 0.00 0.00 0.00 09:10:02 veth73359e2 6.90 7.63 5.32 19.87 0.00 0.00 0.00 0.00 09:10:02 veth079bfc7 8.06 7.27 20.38 4.86 0.00 0.00 0.00 0.00 09:10:02 veth20111d3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 veth70b13f5 31.52 37.00 29.69 146.03 0.00 0.00 0.00 0.01 09:10:02 vethb0e450a 70.37 77.32 63.97 27.72 0.00 0.00 0.00 0.01 09:10:02 veth7690550 38.04 35.41 29.97 19.42 0.00 0.00 0.00 0.00 09:10:02 veth4cbc4a5 44.73 40.64 19.25 46.97 0.00 0.00 0.00 0.00 09:20:01 lo 24.91 24.91 106.82 106.82 0.00 0.00 0.00 0.00 09:20:01 ens3 6.34 5.15 11.64 2.00 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 br-9a1a3734d5fb 23.96 31.69 23.76 95.21 0.00 0.00 0.00 0.00 09:20:01 veth73359e2 8.67 8.77 30.55 28.49 0.00 0.00 0.00 0.00 09:20:01 veth079bfc7 13.71 13.90 143.75 30.63 0.00 0.00 0.00 0.01 Average: lo 18.43 18.43 79.05 79.05 0.00 0.00 0.00 0.00 Average: ens3 80.36 47.56 640.25 21.48 0.00 0.00 0.00 0.00 Average: docker0 5.08 9.95 0.29 174.77 0.00 0.00 0.00 0.00 Average: br-9a1a3734d5fb 16.42 20.40 16.01 68.71 0.00 0.00 0.00 0.00 Average: veth73359e2 6.12 6.24 20.35 16.00 0.00 0.00 0.00 0.00 Average: veth079bfc7 9.37 9.27 83.84 20.34 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2743) 09/18/26 _x86_64_ (8 CPU) 08:33:43 LINUX RESTART (8 CPU) 08:40:00 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 18.91 0.02 3.42 2.01 0.03 75.60 08:50:01 0 19.02 0.03 3.74 2.84 0.04 74.34 08:50:01 1 20.09 0.04 3.24 1.63 0.04 74.97 08:50:01 2 15.96 0.02 3.55 1.65 0.03 78.80 08:50:01 3 19.34 0.01 3.40 2.25 0.03 74.97 08:50:01 4 19.27 0.03 3.65 1.78 0.03 75.24 08:50:01 5 18.18 0.02 3.31 1.95 0.03 76.51 08:50:01 6 18.60 0.02 3.23 1.51 0.03 76.61 08:50:01 7 20.81 0.03 3.27 2.50 0.03 73.35 09:00:20 all 9.85 0.01 2.18 0.17 0.04 87.74 09:00:20 0 8.65 0.00 2.93 0.31 0.04 88.08 09:00:20 1 9.32 0.01 2.51 0.21 0.04 87.90 09:00:20 2 8.92 0.01 2.20 0.16 0.04 88.67 09:00:20 3 10.79 0.00 2.08 0.16 0.04 86.92 09:00:20 4 10.91 0.01 2.02 0.12 0.05 86.90 09:00:20 5 10.34 0.01 1.86 0.09 0.05 87.65 09:00:20 6 9.91 0.00 1.96 0.26 0.04 87.82 09:00:20 7 10.00 0.01 1.89 0.09 0.04 87.98 09:10:02 all 8.62 0.00 2.37 0.27 0.06 88.68 09:10:02 0 8.45 0.00 3.41 0.09 0.07 87.98 09:10:02 1 8.46 0.00 2.65 0.12 0.06 88.71 09:10:02 2 8.60 0.00 2.37 0.39 0.06 88.58 09:10:02 3 8.64 0.00 2.15 0.17 0.06 88.98 09:10:02 4 8.66 0.00 2.11 0.29 0.06 88.88 09:10:02 5 9.06 0.00 2.15 0.18 0.06 88.55 09:10:02 6 8.46 0.00 2.03 0.76 0.07 88.69 09:10:02 7 8.64 0.00 2.05 0.15 0.06 89.10 09:20:01 all 7.39 0.01 2.20 0.17 0.06 90.18 09:20:01 0 7.03 0.01 3.13 0.10 0.06 89.66 09:20:01 1 7.55 0.00 2.33 0.15 0.05 89.91 09:20:01 2 6.99 0.00 2.21 0.16 0.06 90.58 09:20:01 3 7.42 0.01 2.04 0.13 0.05 90.34 09:20:01 4 7.20 0.01 2.00 0.27 0.05 90.48 09:20:01 5 8.21 0.00 1.93 0.24 0.05 89.57 09:20:01 6 7.48 0.00 1.93 0.27 0.06 90.26 09:20:01 7 7.24 0.01 1.99 0.06 0.06 90.64 Average: all 11.21 0.01 2.54 0.66 0.05 85.54 Average: 0 10.78 0.01 3.30 0.83 0.05 85.03 Average: 1 11.36 0.01 2.68 0.53 0.05 85.37 Average: 2 10.12 0.01 2.58 0.59 0.05 86.65 Average: 3 11.57 0.01 2.42 0.68 0.05 85.28 Average: 4 11.53 0.01 2.44 0.61 0.05 85.35 Average: 5 11.47 0.01 2.31 0.62 0.05 85.55 Average: 6 11.13 0.01 2.29 0.70 0.05 85.83 Average: 7 11.69 0.01 2.30 0.70 0.05 85.25