---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3821 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 849 11576 4 19666 30774 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:76:15:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.184/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84345sec preferred_lft 84345sec inet6 fe80::f816:3eff:fe76:1554/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:fa:c6:91:56:93 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::cfa:c6ff:fe91:5693/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3821) 09/21/26 _x86_64_ (8 CPU) 09:03:05 LINUX RESTART (8 CPU) 09:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:01 313.69 0.58 274.63 38.47 33.13 53297.41 516109.25 09:30:01 10.46 0.10 10.04 0.32 4.04 390.87 1776.23 Average: 159.94 0.34 140.47 19.13 18.38 26471.54 255320.49 09:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:01 2242648 22467600 9683168 29.47 584556 18750488 16658260 49.12 4780808 22163720 204 09:30:01 322240 20621996 11526952 35.08 585884 18818128 17889772 52.75 4840552 23984848 816 Average: 1282444 21544798 10605060 32.27 585220 18784308 17274016 50.94 4810680 23074284 510 09:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 09:20:01 ens3 368.51 230.81 3002.68 84.91 0.00 0.00 0.00 0.00 09:20:01 docker0 29.28 57.25 1.68 780.91 0.00 0.00 0.00 0.00 09:20:01 br-da0355973248 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 09:20:01 veth14632da 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:20:01 veth4fb9728 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:20:01 veth36aa8b2 7.13 7.03 4.78 1.36 0.00 0.00 0.00 0.00 09:20:01 veth7914d34 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:20:01 veth26a8a4a 0.21 0.25 0.02 0.02 0.00 0.00 0.00 0.00 09:20:01 veth6f134a8 1.47 1.46 0.16 1.01 0.00 0.00 0.00 0.00 09:20:01 veth08aca7e 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 veth8621ca0 0.77 0.68 0.10 0.80 0.00 0.00 0.00 0.00 09:30:01 lo 5.37 5.37 23.66 23.66 0.00 0.00 0.00 0.00 09:30:01 ens3 7.51 6.85 2.83 3.90 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 br-da0355973248 2.90 2.74 23.02 0.69 0.00 0.00 0.00 0.00 09:30:01 veth14632da 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 09:30:01 veth4fb9728 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 veth36aa8b2 247.21 264.93 184.83 124.34 0.00 0.00 0.00 0.02 09:30:01 veth7914d34 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 veth26a8a4a 0.47 0.28 0.07 0.43 0.00 0.00 0.00 0.00 09:30:01 veth6f134a8 126.40 118.14 96.17 64.00 0.00 0.00 0.00 0.01 09:30:01 veth8621ca0 145.79 135.62 66.87 124.62 0.00 0.00 0.00 0.01 Average: lo 3.02 3.02 12.02 12.02 0.00 0.00 0.00 0.00 Average: ens3 185.46 117.26 1481.63 43.83 0.00 0.00 0.00 0.00 Average: docker0 14.43 28.22 0.83 384.95 0.00 0.00 0.00 0.00 Average: br-da0355973248 1.62 1.52 11.68 0.36 0.00 0.00 0.00 0.00 Average: veth14632da 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth4fb9728 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth36aa8b2 128.86 137.80 96.07 63.72 0.00 0.00 0.00 0.01 Average: veth7914d34 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth26a8a4a 0.34 0.26 0.05 0.22 0.00 0.00 0.00 0.00 Average: veth6f134a8 64.81 60.62 48.84 32.95 0.00 0.00 0.00 0.00 Average: veth8621ca0 74.30 69.10 33.96 63.59 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3821) 09/21/26 _x86_64_ (8 CPU) 09:03:05 LINUX RESTART (8 CPU) 09:10:17 CPU %user %nice %system %iowait %steal %idle 09:20:01 all 25.65 0.02 3.95 2.57 0.02 67.78 09:20:01 0 22.53 0.02 4.29 2.13 0.02 71.01 09:20:01 1 26.20 0.03 4.20 3.02 0.02 66.52 09:20:01 2 24.23 0.01 4.15 2.18 0.03 69.42 09:20:01 3 26.57 0.01 3.96 2.86 0.03 66.57 09:20:01 4 26.85 0.04 3.80 2.29 0.02 67.00 09:20:01 5 28.24 0.04 3.70 3.46 0.03 64.54 09:20:01 6 26.60 0.03 3.83 1.95 0.02 67.57 09:20:01 7 24.02 0.02 3.66 2.67 0.03 69.60 09:30:01 all 8.27 0.00 1.47 0.03 0.01 90.23 09:30:01 0 8.34 0.00 2.11 0.01 0.01 89.53 09:30:01 1 8.25 0.00 1.61 0.01 0.01 90.11 09:30:01 2 7.71 0.00 1.48 0.01 0.01 90.79 09:30:01 3 8.77 0.00 1.50 0.06 0.01 89.66 09:30:01 4 8.49 0.00 1.36 0.05 0.01 90.09 09:30:01 5 8.00 0.00 1.18 0.04 0.01 90.78 09:30:01 6 8.65 0.00 1.34 0.03 0.01 89.98 09:30:01 7 7.92 0.00 1.15 0.03 0.01 90.90 Average: all 16.85 0.01 2.69 1.28 0.02 79.15 Average: 0 15.33 0.01 3.18 1.06 0.02 80.41 Average: 1 17.11 0.02 2.89 1.50 0.02 78.47 Average: 2 15.86 0.00 2.80 1.08 0.02 80.23 Average: 3 17.57 0.00 2.72 1.44 0.02 78.25 Average: 4 17.56 0.02 2.56 1.16 0.02 78.68 Average: 5 17.97 0.02 2.42 1.72 0.02 77.84 Average: 6 17.51 0.01 2.57 0.98 0.02 78.92 Average: 7 15.86 0.01 2.39 1.33 0.02 80.39