---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6416 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: 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: 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 11G 67G 14% / 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 632 10311 4 5044 15013 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:d7:b0:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82325sec preferred_lft 82325sec inet6 fe80::f816:3eff:fed7:b02d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:79:aa:da:06:2f 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-4c-4g-6416) 09/09/26 _x86_64_ (4 CPU) 16:26:16 LINUX RESTART (4 CPU) 16:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:05 3.80 0.07 3.44 0.29 2.90 269.79 247.35 16:50:05 1.20 0.01 1.20 0.00 0.04 14.39 0.20 17:00:01 1.19 0.00 1.19 0.00 0.00 13.56 0.00 17:10:05 20.61 1.34 18.88 0.38 97.60 871.92 300.63 17:20:05 15.00 2.96 11.60 0.43 166.15 3611.85 140.45 17:30:01 10.34 0.52 9.25 0.57 19.89 1818.24 1263.75 Average: 8.70 0.82 7.61 0.28 47.86 1098.97 324.40 16:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:05 13677228 15516136 500220 3.06 56808 2008988 1173428 6.74 197976 2244028 172 16:50:05 13676976 15516296 500104 3.05 57236 2008972 1173492 6.74 198412 2243952 172 17:00:01 13676976 15516816 499544 3.05 57612 2009108 1173492 6.74 198788 2245596 204 17:10:05 13126500 15392676 598668 3.66 85404 2386220 1240540 7.12 267852 2690884 213892 17:20:05 9180740 12327784 3633804 22.19 117772 3186876 3834284 22.01 495576 6351924 7264 17:30:01 7631400 11507136 4449964 27.18 136220 3856792 4940872 28.36 693240 7653440 269648 Average: 11828303 14296141 1697051 10.36 85175 2576159 2256018 12.95 341974 3904971 81892 16:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:05 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 16:40:05 ens3 5.63 1.93 85.77 0.17 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:50:05 ens3 0.23 0.08 0.03 0.02 0.00 0.00 0.00 0.00 16:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:01 ens3 0.26 0.11 0.05 0.04 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:05 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 17:10:05 ens3 31.34 23.15 171.03 5.10 0.00 0.00 0.00 0.00 17:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:05 lo 1.08 1.08 0.42 0.42 0.00 0.00 0.00 0.00 17:20:05 ens3 89.85 70.87 730.84 9.54 0.00 0.00 0.00 0.00 17:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 217.93 217.93 207.02 207.02 0.00 0.00 0.00 0.00 17:30:01 ens3 52.61 40.80 456.01 4.43 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 36.30 36.30 34.31 34.31 0.00 0.00 0.00 0.00 Average: ens3 29.96 22.80 240.34 3.22 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-4c-4g-6416) 09/09/26 _x86_64_ (4 CPU) 16:26:16 LINUX RESTART (4 CPU) 16:30:01 CPU %user %nice %system %iowait %steal %idle 16:40:05 all 0.36 0.00 0.09 0.07 0.01 99.47 16:40:05 0 0.09 0.00 0.08 0.05 0.01 99.77 16:40:05 1 0.86 0.00 0.12 0.01 0.01 99.00 16:40:05 2 0.44 0.00 0.10 0.21 0.01 99.24 16:40:05 3 0.07 0.00 0.06 0.02 0.01 99.85 16:50:05 all 0.16 0.00 0.03 0.01 0.00 99.80 16:50:05 0 0.03 0.00 0.04 0.03 0.01 99.90 16:50:05 1 0.54 0.00 0.02 0.00 0.00 99.44 16:50:05 2 0.04 0.00 0.03 0.01 0.00 99.91 16:50:05 3 0.03 0.00 0.03 0.00 0.01 99.93 17:00:01 all 0.22 0.00 0.03 0.04 0.01 99.70 17:00:01 0 0.03 0.00 0.03 0.00 0.01 99.93 17:00:01 1 0.75 0.00 0.01 0.01 0.00 99.23 17:00:01 2 0.02 0.00 0.02 0.11 0.00 99.84 17:00:01 3 0.07 0.00 0.06 0.05 0.01 99.80 17:10:05 all 2.04 0.00 0.23 0.24 0.01 97.47 17:10:05 0 2.94 0.00 0.26 0.10 0.01 96.69 17:10:05 1 1.28 0.00 0.24 0.51 0.01 97.96 17:10:05 2 1.83 0.00 0.18 0.07 0.01 97.91 17:10:05 3 2.12 0.00 0.26 0.28 0.01 97.33 17:20:05 all 52.78 0.00 1.26 0.11 0.06 45.80 17:20:05 0 51.57 0.00 1.31 0.04 0.05 47.02 17:20:05 1 59.00 0.00 1.29 0.14 0.06 39.52 17:20:05 2 46.65 0.00 1.24 0.11 0.06 51.94 17:20:05 3 53.88 0.00 1.20 0.16 0.05 44.71 17:30:01 all 54.65 0.00 1.15 0.04 0.06 44.10 17:30:01 0 68.59 0.00 1.19 0.03 0.06 30.12 17:30:01 1 62.04 0.00 1.13 0.02 0.05 36.75 17:30:01 2 45.28 0.00 1.21 0.08 0.05 53.38 17:30:01 3 42.70 0.00 1.08 0.03 0.06 56.13 Average: all 18.28 0.00 0.46 0.09 0.02 81.14 Average: 0 20.45 0.00 0.48 0.04 0.02 79.00 Average: 1 20.61 0.00 0.47 0.11 0.02 78.78 Average: 2 15.64 0.00 0.46 0.10 0.02 83.78 Average: 3 16.42 0.00 0.45 0.09 0.02 83.02