---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-17244 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 14G 64G 18% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 620 8319 4 7048 15025 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:f9:6c:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.82/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83641sec preferred_lft 83641sec inet6 fe80::f816:3eff:fef9:6c59/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:cf:c9:be:ff:71 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-17244) 09/01/26 _x86_64_ (4 CPU) 18:37:22 LINUX RESTART (4 CPU) 18:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:03 10.48 1.40 8.69 0.38 100.61 2906.68 400.77 19:00:01 3.92 0.24 3.61 0.08 2.33 1516.91 55.57 19:10:03 221.71 0.12 213.38 8.21 1.88 12457.70 137590.19 19:20:03 2.93 0.01 2.86 0.06 0.36 576.35 42.85 Average: 59.95 0.44 57.32 2.19 26.19 4372.37 34644.93 18:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:03 10661668 13920104 2039952 12.46 153328 3237132 2382680 13.68 488856 4840020 4796 19:00:01 9761744 13607728 2348552 14.34 180060 3752472 2612280 14.99 633516 5535760 150560 19:10:03 7187860 13558348 2375580 14.51 304404 5931788 2653844 15.23 1252348 7261560 63068 19:20:03 7089996 13547900 2386132 14.57 304872 6015232 2658804 15.26 1278744 7333284 1484 Average: 8675317 13658520 2287554 13.97 235666 4734156 2576902 14.79 913366 6242656 54977 18:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:03 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 18:50:03 ens3 95.93 88.76 757.25 20.36 0.00 0.00 0.00 0.00 18:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 19:00:01 ens3 23.96 20.95 62.07 7.20 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:03 lo 0.25 0.25 0.03 0.03 0.00 0.00 0.00 0.00 19:10:03 ens3 27.70 21.01 190.19 4.57 0.00 0.00 0.00 0.00 19:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:03 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 19:20:03 ens3 13.24 12.40 55.52 4.89 0.00 0.00 0.00 0.00 19:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 40.13 35.71 265.63 9.24 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-17244) 09/01/26 _x86_64_ (4 CPU) 18:37:22 LINUX RESTART (4 CPU) 18:40:06 CPU %user %nice %system %iowait %steal %idle 18:50:03 all 15.27 0.00 0.98 0.11 0.01 83.64 18:50:03 0 14.83 0.00 0.99 0.06 0.01 84.11 18:50:03 1 15.57 0.00 0.92 0.09 0.01 83.41 18:50:03 2 15.96 0.00 1.08 0.07 0.01 82.88 18:50:03 3 14.72 0.00 0.92 0.21 0.01 84.14 19:00:01 all 9.96 0.00 0.68 0.04 0.01 89.32 19:00:01 0 9.72 0.00 0.69 0.02 0.01 89.56 19:00:01 1 9.87 0.00 0.65 0.03 0.01 89.44 19:00:01 2 10.63 0.00 0.72 0.01 0.01 88.63 19:00:01 3 9.62 0.00 0.64 0.09 0.01 89.65 19:10:03 all 22.99 0.00 2.49 0.23 0.01 74.28 19:10:03 0 23.83 0.00 2.65 0.24 0.01 73.26 19:10:03 1 23.58 0.00 2.69 0.18 0.01 73.55 19:10:03 2 24.02 0.00 2.49 0.23 0.01 73.24 19:10:03 3 20.51 0.00 2.14 0.27 0.01 77.07 19:20:03 all 5.06 0.00 0.34 0.06 0.01 94.53 19:20:03 0 5.10 0.00 0.27 0.06 0.01 94.56 19:20:03 1 4.87 0.00 0.37 0.03 0.01 94.72 19:20:03 2 4.64 0.00 0.33 0.02 0.01 95.01 19:20:03 3 5.64 0.00 0.39 0.12 0.01 93.84 Average: all 13.32 0.00 1.12 0.11 0.01 85.44 Average: 0 13.37 0.00 1.15 0.10 0.01 85.37 Average: 1 13.46 0.00 1.16 0.08 0.01 85.29 Average: 2 13.81 0.00 1.16 0.08 0.01 84.94 Average: 3 12.63 0.00 1.03 0.17 0.01 86.17