---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-7228 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 17G 61G 22% / 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 738 6787 4 8463 14907 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:51:24:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79673sec preferred_lft 79673sec inet6 fe80::f816:3eff:fe51:24ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:20:f5:38:a8:6f 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::a420:f5ff:fe38:a86f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-7228) 09/11/26 _x86_64_ (4 CPU) 11:37:20 LINUX RESTART (4 CPU) 11:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:25 72.46 4.22 65.06 3.17 522.35 27623.41 11833.95 12:00:01 6.36 0.39 5.69 0.27 25.65 178.30 1767.42 12:10:23 7.28 0.00 6.90 0.37 0.03 206.92 1152.94 12:20:10 18.23 0.77 16.32 1.13 9.24 1742.36 1762.15 12:30:01 33.92 0.08 32.07 1.77 2.19 1919.13 826.13 12:40:25 11.95 0.00 11.52 0.43 0.00 281.40 172.24 12:50:07 6.85 0.00 6.58 0.27 0.01 248.29 147.40 13:00:01 6.60 0.00 6.32 0.27 0.00 185.02 99.15 13:10:25 2.68 0.00 2.68 0.00 0.00 48.57 0.01 13:20:25 10.80 0.01 10.27 0.52 0.11 684.13 995.20 Average: 17.65 0.55 16.29 0.82 55.83 3305.68 1868.11 11:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:25 531964 8944444 6980332 42.63 233920 8009084 7766448 44.58 1933888 13166000 212 12:00:01 6823300 15115372 813240 4.97 234260 7890352 1661628 9.54 1981472 6848184 4220 12:10:23 1603460 9906184 6020236 36.77 235976 7899436 7219036 41.44 1986544 12055484 172 12:20:10 4875808 13570712 2354348 14.38 248584 8264000 3165068 18.17 2091460 8669204 12052 12:30:01 2653888 10209688 5715596 34.91 260928 7128540 6357312 36.49 2236516 10762916 424 12:40:25 3552548 11143372 4781908 29.21 262356 7161992 5509784 31.63 2241600 9855180 240 12:50:07 3942944 11573128 4353720 26.59 263060 7200588 5843156 33.54 2244964 9469044 472 13:00:01 2186364 9840624 6085248 37.17 264076 7223568 6907576 39.65 2248952 11219972 760 13:10:25 1931768 9588276 6337344 38.71 264512 7225396 7098348 40.74 2249376 11468360 116 13:20:25 3512904 11325620 4600700 28.10 268376 7371260 5274776 30.28 2264728 9866580 176 Average: 3161495 11121742 4804267 29.34 253605 7537422 5680313 32.60 2147950 10338092 1884 11:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:25 lo 9.44 9.44 7.41 7.41 0.00 0.00 0.00 0.00 11:50:25 ens3 113.73 82.80 1404.58 7.71 0.00 0.00 0.00 0.00 11:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 8.45 8.45 4.64 4.64 0.00 0.00 0.00 0.00 12:00:01 ens3 0.49 0.36 0.11 0.08 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:23 lo 9.57 9.57 5.56 5.56 0.00 0.00 0.00 0.00 12:10:23 ens3 0.86 0.64 0.21 0.16 0.00 0.00 0.00 0.00 12:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:10 lo 12.70 12.70 10.23 10.23 0.00 0.00 0.00 0.00 12:20:10 ens3 1.08 0.84 0.35 0.27 0.00 0.00 0.00 0.00 12:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 28.90 28.90 17.87 17.87 0.00 0.00 0.00 0.00 12:30:01 ens3 2.04 2.05 0.44 1.51 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:25 lo 24.09 24.09 11.00 11.00 0.00 0.00 0.00 0.00 12:40:25 ens3 1.21 0.84 0.32 0.25 0.00 0.00 0.00 0.00 12:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:07 lo 27.74 27.74 9.54 9.54 0.00 0.00 0.00 0.00 12:50:07 ens3 0.91 0.51 0.25 0.18 0.00 0.00 0.00 0.00 12:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 21.52 21.52 11.88 11.88 0.00 0.00 0.00 0.00 13:00:01 ens3 0.83 0.66 0.22 0.18 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:25 lo 12.86 12.86 7.02 7.02 0.00 0.00 0.00 0.00 13:10:25 ens3 0.47 0.41 0.10 0.08 0.00 0.00 0.00 0.00 13:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:25 lo 17.70 17.70 9.41 9.41 0.00 0.00 0.00 0.00 13:20:25 ens3 0.97 0.80 0.24 0.20 0.00 0.00 0.00 0.00 13:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.27 17.27 9.44 9.44 0.00 0.00 0.00 0.00 Average: ens3 12.26 8.99 140.68 1.06 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-16g-7228) 09/11/26 _x86_64_ (4 CPU) 11:37:20 LINUX RESTART (4 CPU) 11:40:25 CPU %user %nice %system %iowait %steal %idle 11:50:25 all 34.54 0.00 1.87 0.59 0.04 62.96 11:50:25 0 32.40 0.00 1.82 0.96 0.04 64.77 11:50:25 1 35.60 0.00 2.01 0.46 0.03 61.90 11:50:25 2 36.52 0.00 1.90 0.38 0.05 61.16 11:50:25 3 33.64 0.00 1.76 0.56 0.03 64.01 12:00:01 all 9.17 0.00 0.49 0.03 0.02 90.29 12:00:01 0 8.75 0.00 0.53 0.07 0.02 90.63 12:00:01 1 8.86 0.00 0.44 0.01 0.01 90.68 12:00:01 2 9.24 0.00 0.51 0.02 0.02 90.21 12:00:01 3 9.84 0.00 0.48 0.03 0.02 89.63 12:10:23 all 13.19 0.00 0.64 0.03 0.02 86.12 12:10:23 0 13.14 0.00 0.66 0.04 0.02 86.14 12:10:23 1 13.45 0.00 0.65 0.01 0.02 85.86 12:10:23 2 13.19 0.00 0.69 0.02 0.02 86.07 12:10:23 3 13.01 0.00 0.55 0.03 0.02 86.40 12:20:10 all 22.47 0.00 0.92 0.11 0.03 76.47 12:20:10 0 22.24 0.00 1.01 0.15 0.03 76.58 12:20:10 1 21.18 0.00 0.93 0.07 0.03 77.78 12:20:10 2 23.14 0.00 0.84 0.10 0.04 75.88 12:20:10 3 23.31 0.00 0.91 0.11 0.04 75.63 12:30:01 all 50.20 0.00 1.87 0.15 0.05 47.73 12:30:01 0 50.88 0.00 1.92 0.05 0.05 47.09 12:30:01 1 49.82 0.00 1.99 0.08 0.05 48.06 12:30:01 2 49.70 0.00 1.75 0.20 0.04 48.31 12:30:01 3 50.41 0.00 1.81 0.24 0.05 47.48 12:40:25 all 16.46 0.00 0.77 0.04 0.03 82.69 12:40:25 0 16.69 0.00 0.86 0.01 0.04 82.40 12:40:25 1 16.74 0.00 0.78 0.02 0.03 82.42 12:40:25 2 15.51 0.00 0.75 0.08 0.03 83.63 12:40:25 3 16.92 0.00 0.69 0.03 0.04 82.33 12:50:07 all 13.14 0.00 0.71 0.04 0.03 86.07 12:50:07 0 13.06 0.00 0.77 0.04 0.03 86.10 12:50:07 1 13.43 0.00 0.76 0.01 0.03 85.76 12:50:07 2 13.00 0.00 0.72 0.04 0.03 86.22 12:50:07 3 13.08 0.00 0.61 0.07 0.03 86.20 13:00:01 all 13.48 0.00 0.72 0.03 0.04 85.73 13:00:01 0 13.29 0.00 0.78 0.05 0.05 85.83 13:00:01 1 13.48 0.00 0.70 0.01 0.05 85.76 13:00:01 2 14.05 0.00 0.74 0.04 0.04 85.12 13:00:01 3 13.09 0.00 0.66 0.02 0.04 86.18 13:10:25 all 2.75 0.00 0.43 0.02 0.05 96.76 13:10:25 0 2.37 0.00 0.52 0.02 0.05 97.05 13:10:25 1 2.75 0.00 0.43 0.01 0.05 96.77 13:10:25 2 2.63 0.00 0.38 0.03 0.04 96.92 13:10:25 3 3.25 0.00 0.39 0.01 0.05 96.30 13:20:25 all 20.02 0.00 0.84 0.05 0.05 79.04 13:20:25 0 20.57 0.00 0.91 0.03 0.05 78.45 13:20:25 1 19.82 0.00 0.83 0.03 0.05 79.26 13:20:25 2 19.34 0.00 0.84 0.06 0.05 79.71 13:20:25 3 20.35 0.00 0.78 0.08 0.05 78.75 Average: all 19.45 0.00 0.92 0.11 0.04 79.48 Average: 0 19.25 0.00 0.98 0.14 0.04 79.59 Average: 1 19.42 0.00 0.95 0.07 0.04 79.52 Average: 2 19.53 0.00 0.91 0.10 0.04 79.42 Average: 3 19.59 0.00 0.86 0.12 0.04 79.39