---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-972 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 5600.02 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 24G 132G 15% / 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 840 16824 4 14427 30783 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:26:8a:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.235/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85005sec preferred_lft 85005sec inet6 fe80::f816:3eff:fe26:8a54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:bd:a5:55:e8:6d 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::bd:a5ff:fe55:e86d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-972) 11/04/26 _x86_64_ (8 CPU) 20:58:09 LINUX RESTART (8 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:15 591.98 4.56 569.21 18.21 301.27 62309.51 83787.00 21:20:17 48.63 1.09 41.13 6.41 25.35 6468.93 49432.18 Average: 322.95 2.84 307.74 12.36 164.65 34661.16 66776.89 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:15 3585100 20992376 11171280 33.99 567072 16057260 17914964 52.83 4024548 21674620 2552 21:20:17 5711224 20015028 12139804 36.94 552928 13007784 18272456 53.88 4077472 19523520 13036 Average: 4648162 20503702 11655542 35.47 560000 14532522 18093710 53.36 4051010 20599070 7794 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:15 lo 0.89 0.89 0.07 0.07 0.00 0.00 0.00 0.00 21:10:15 ens3 437.30 263.75 4901.41 68.66 0.00 0.00 0.00 0.00 21:10:15 docker0 31.07 53.65 1.81 770.66 0.00 0.00 0.00 0.00 21:10:15 br-df38d5fa883c 0.41 0.39 0.02 0.03 0.00 0.00 0.00 0.00 21:10:15 veth3f12fa0 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 21:10:15 veth0f28887 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 21:10:15 veth0cf0038 0.10 0.17 0.01 0.04 0.00 0.00 0.00 0.00 21:10:15 veth420d4a7 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 21:10:15 veth19e3d7f 35.36 35.72 14.34 18.20 0.00 0.00 0.00 0.00 21:10:15 veth110ca98 30.52 29.59 23.98 11.44 0.00 0.00 0.00 0.00 21:10:15 veth02698e2 0.54 0.54 0.07 0.64 0.00 0.00 0.00 0.00 21:10:15 veth49cc306 0.65 0.97 0.71 7.18 0.00 0.00 0.00 0.00 21:20:17 lo 72.87 72.87 327.83 327.83 0.00 0.00 0.00 0.00 21:20:17 ens3 9.78 8.65 27.71 1.94 0.00 0.00 0.00 0.00 21:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:17 br-df38d5fa883c 61.15 67.63 87.89 269.90 0.00 0.00 0.00 0.00 21:20:17 veth3f12fa0 38.33 36.77 344.97 84.12 0.00 0.00 0.00 0.03 21:20:17 veth0f28887 0.23 0.21 0.03 0.07 0.00 0.00 0.00 0.00 21:20:17 veth0cf0038 22.90 24.65 83.95 70.78 0.00 0.00 0.00 0.01 21:20:17 veth420d4a7 81.53 88.35 88.64 610.57 0.00 0.00 0.00 0.05 21:20:17 veth19e3d7f 125.25 131.83 90.88 65.63 0.00 0.00 0.00 0.01 21:20:17 veth110ca98 81.37 74.18 109.11 55.04 0.00 0.00 0.00 0.01 21:20:17 veth02698e2 62.57 62.38 34.07 41.10 0.00 0.00 0.00 0.00 Average: lo 36.53 36.53 162.35 162.35 0.00 0.00 0.00 0.00 Average: ens3 225.62 137.44 2488.29 35.63 0.00 0.00 0.00 0.00 Average: docker0 15.68 27.09 0.91 389.08 0.00 0.00 0.00 0.00 Average: br-df38d5fa883c 30.49 33.68 43.52 133.65 0.00 0.00 0.00 0.00 Average: veth3f12fa0 18.99 18.27 170.81 41.66 0.00 0.00 0.00 0.01 Average: veth0f28887 0.13 0.17 0.01 0.04 0.00 0.00 0.00 0.00 Average: veth0cf0038 11.39 12.29 41.57 35.07 0.00 0.00 0.00 0.00 Average: veth420d4a7 40.38 43.80 43.89 302.32 0.00 0.00 0.00 0.02 Average: veth19e3d7f 79.87 83.31 52.24 41.69 0.00 0.00 0.00 0.00 Average: veth110ca98 55.70 51.67 66.13 33.03 0.00 0.00 0.00 0.01 Average: veth02698e2 31.25 31.16 16.91 20.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-8c-8g-972) 11/04/26 _x86_64_ (8 CPU) 20:58:09 LINUX RESTART (8 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:15 all 26.87 0.02 5.23 1.32 0.02 66.53 21:10:15 0 24.50 0.03 5.57 1.54 0.02 68.33 21:10:15 1 26.69 0.01 5.09 1.60 0.02 66.58 21:10:15 2 27.52 0.01 5.30 1.30 0.02 65.85 21:10:15 3 28.53 0.02 5.74 1.79 0.02 63.91 21:10:15 4 24.24 0.03 4.97 0.86 0.02 69.89 21:10:15 5 28.59 0.03 5.21 1.18 0.03 64.96 21:10:15 6 24.24 0.02 5.25 1.08 0.02 69.39 21:10:15 7 30.69 0.02 4.72 1.22 0.02 63.32 21:20:17 all 22.48 0.01 4.69 0.19 0.02 72.62 21:20:17 0 21.98 0.02 5.68 0.10 0.01 72.20 21:20:17 1 23.48 0.01 5.08 0.12 0.02 71.30 21:20:17 2 21.88 0.01 4.76 0.16 0.02 73.17 21:20:17 3 22.76 0.00 4.75 0.15 0.02 72.33 21:20:17 4 22.25 0.02 4.49 0.15 0.02 73.06 21:20:17 5 23.33 0.01 4.27 0.17 0.02 72.20 21:20:17 6 21.99 0.01 4.17 0.44 0.02 73.38 21:20:17 7 22.13 0.01 4.29 0.21 0.02 73.35 Average: all 24.70 0.02 4.96 0.76 0.02 69.55 Average: 0 23.25 0.03 5.63 0.83 0.02 70.25 Average: 1 25.10 0.01 5.08 0.87 0.02 68.92 Average: 2 24.73 0.01 5.03 0.73 0.02 69.47 Average: 3 25.68 0.01 5.25 0.98 0.02 68.07 Average: 4 23.26 0.02 4.73 0.51 0.02 71.46 Average: 5 25.99 0.02 4.75 0.68 0.02 68.54 Average: 6 23.13 0.01 4.71 0.76 0.02 71.36 Average: 7 26.46 0.02 4.51 0.72 0.02 68.28